Idioms That Start With B: Meanings & Examples
Idioms that start with B include fixed expressions such as “bark up the wrong tree,” “break the ice,” and “bite off more than you can chew.” A useful list gives each phrase’s meaning, tone, and example sentence, and separates figurative idioms from ordinary terms and compounds.
Key facts at a glance
- An idiom has a conventional meaning that may not follow from its individual words.
- B lists often include proverbs, slang, collocations, and ordinary compound nouns too.
- “Break the ice” is informal and describes helping people feel more comfortable together.
- “Back to square one” describes restarting a plan after an earlier attempt fails.
- Give the idiom’s meaning and register with an example so learners can use it naturally.
What counts as an idiom beginning with B?
An idiom is a fixed or familiar expression whose intended meaning is not fully explained by reading each word literally. A broad “B words and phrases” list may also include proverbs, slang, collocations, and compound nouns, so the label should reflect what each entry actually is.
For example, babe in the woods is figurative, while baby boomer is a demographic term and babysitter test names a kind of usability evaluation. These can appear in a wide alphabetical phrase list, but they are not all idioms in the same sense.
Common B Idioms with Meanings and Examples
The expressions below are established idioms or proverb-like sayings. Their examples show both the meaning and a natural sentence pattern.
| Expression | Meaning | Example | Usage note |
|---|---|---|---|
| Bark up the wrong tree | Use an approach that will not work or blame the wrong person. | If you think the delay came from the design team, you may be barking up the wrong tree. | Conversational; often used for mistaken blame or strategy. |
| Beat around the bush | Avoid talking directly about the important point. | She stopped beating around the bush and asked for a deadline. | UK also uses “beat about the bush.” |
| Bite off more than you can chew | Take on a task that is too difficult or too much to manage. | I bit off more than I could chew by accepting three projects at once. | Informal, as Cambridge notes. |
| Break the ice | Help people who do not know one another feel more relaxed. | A quick introduction game helped break the ice. | Often used for first meetings; informal. |
| A blessing in disguise | Something that first seems bad but later brings a good result. | Missing the train was a blessing in disguise; it gave us time to find the lost bag. | Do not use to dismiss someone else’s real hardship. |
| Give someone the benefit of the doubt | Choose to believe the more favorable explanation when uncertain. | I gave her the benefit of the doubt because the message could have been misunderstood. | Usually used when the facts are not yet clear. |
| Back to square one | Return to the beginning after a plan or attempt fails. | When the file would not open, the team was back to square one. | Often follows a failed attempt or setback. |
How do you use a B idiom naturally?
Choose an idiom that fits the situation and relationship. Break the ice can describe a light start to a meeting; beat around the bush can sound impatient because it accuses someone of avoiding a direct point. A dictionary’s register label and example can help you judge tone.
Keep the expression’s wording stable, and make sure its grammar fits the sentence. For example, “I bit off more than I could chew” changes the verb tense while keeping the idiom intact. Replacing words casually may make the phrase unclear.

Why do some B lists include phrases that are not idioms?
Alphabetical collections often serve a wider browsing purpose than a strict idiom dictionary. They may include literal compounds such as baby boomer, topic labels such as baby blues, proverbs, and slang alongside figurative expressions. A large total count can therefore describe all listed B entries, not a number of equally idiomatic phrases.
For language learning, separate entries by type: idioms, proverbs, slang, and ordinary terms. That extra label prevents a learner from treating a noun like baby boomer as a figurative sentence pattern.
Can idioms be formal or regional?
Yes. Some B expressions are informal, some are familiar across several varieties of English, and some have regional alternatives. Cambridge records “beat about the bush” as a UK variant of “beat around the bush.” If writing for an international audience, prefer a plain paraphrase when the idiom’s regional tone is uncertain.

Conclusion: learn idioms that start with B in context
Idioms that start with B become easier to use when you learn their meaning, register, and sentence pattern together. Start with common expressions such as break the ice and back to square one, then check whether a longer alphabetical entry is an idiom, a proverb, slang, or simply a compound term.
Frequently asked questions
What is a common idiom that starts with B?
“Break the ice” is a common informal idiom meaning to help people who have not met feel more relaxed together. For example, “The host asked everyone to share a small hobby to break the ice.” It often appears in social, classroom, and first-meeting situations.
What does “barking up the wrong tree” mean?
“Barking up the wrong tree” means using an approach that will not work or blaming the wrong person. Cambridge Dictionary gives the sense of trying to do something in a way that will not work. Example: “If you think I changed the file, you’re barking up the wrong tree.”
Is “baby boomer” an idiom?
No. “Baby boomer” is a compound noun for a person born during a period of increased birth rates after World War II; it does not have a figurative meaning built from its words. It may appear in a broad alphabetical list of B expressions, but it is not a standard idiom.
What is the difference between an idiom and a proverb?
An idiom is a conventional expression with a meaning that may be figurative, while a proverb is a fixed saying that expresses a general lesson or observation. Categories sometimes overlap, and references may label familiar expressions differently. A useful learner’s list explains meaning and usage even when labels vary.
Bridging the gap between mere words and vivid imagery, idioms breathe life into our conversations, binding them with cultural contexts and layers of hidden meaning. As we bounce to the second letter of the alphabet, this article spotlights idioms that proudly start with the letter “B”.
From “barking up the wrong tree” to “biting off more than one can chew”, the letter “B” beckons with a bounty of expressions that have bolstered the richness of the English language for ages. For budding linguists, bookworms, or those just on the brink of diving deeper into the nuances of language, this exploration will burst open a world of backstories, interpretations, and the brilliance hidden in everyday banter. Buckle up, as we blaze a trail through the beautiful and sometimes baffling world of “B” idioms, unboxing their histories and hailing their enduring charm in our spoken tapestry.
Idioms Beginning With Letter B
Idioms are a delightful element of languages, weaving in cultural intricacies, historical events, and shared societal understandings into everyday conversations. After exploring idioms starting with the letter ‘A’, it’s time to venture into idiomatic expressions beginning with the letter ‘B’. These phrases lend vibrancy and depth to our language, making communication more vivid and expressive. In this comprehensive article, we will elucidate some of the prevalent and intriguing idioms that commence with the letter ‘B’.
- Back to the Drawing Board
- Meaning: To start a task all over again because it didn’t work out on the first attempt.
- Example: “Our proposal was rejected by the board, so it’s back to the drawing board for us.”
- Barking Up the Wrong Tree
- Meaning: Making a false assumption or pursuing a misguided course of action.
- Example: “If you think I stole the cookies, you’re barking up the wrong tree; I’m on a diet!”
- Bite the Bullet
- Meaning: To bravely face a difficult or unpleasant situation.
- Example: “I hate going to the dentist, but I have to bite the bullet and get this tooth fixed.”
- Bite Off More Than You Can Chew
- Meaning: To take on a task that’s too big or difficult.
- Example: “Organizing the entire event by myself was biting off more than I could chew.”
- Break a Leg
- Meaning: A way of wishing someone good luck, especially before a performance.
- Example: “You have your dance performance tonight? Break a leg!”
- Burn the Midnight Oil
- Meaning: To work late into the night.
- Example: “I have a big exam tomorrow, so I’ll be burning the midnight oil tonight.”
- Bury the Hatchet
- Meaning: To make peace; to settle one’s differences.
- Example: “It’s time to bury the hatchet and move on from our old arguments.”
- Bite Your Tongue
- Meaning: To avoid speaking, often because it might be inappropriate or harmful.
- Example: “Every time she made a sarcastic comment, I had to bite my tongue.”
- Beating Around the Bush
- Meaning: Avoiding the main topic or not speaking directly.
- Example: “Stop beating around the bush and tell me what you really think.”
- Blow Off Steam
- Meaning: To release pent-up emotions, especially stress or anger.
- Example: “After a hard week at work, she blows off steam by going for a long run.”
- Burn Your Bridges
- Meaning: To act in a way that makes it impossible to return to a previous situation.
- Example: “By quitting his job in such a dramatic fashion, he really burned his bridges.”
- Break the Ice
- Meaning: To initiate a conversation in a social setting, making it easier for people to mingle.
- Example: “Trivia games at the start of the party can help break the ice.”
- Burst Your Bubble
- Meaning: To bring someone back to reality, especially if they have beliefs or ideas that are not practical or true.
- Example: “I hate to burst your bubble, but unicorns aren’t real.”
- Blow One’s Own Trumpet
- Meaning: To boast or brag about one’s own abilities.
- Example: “I don’t mean to blow my own trumpet, but I am quite good at painting.”
- Between a Rock and a Hard Place
- Meaning: In a difficult situation where there are two equally unpleasant choices.
- Example: “If I take this new job, I won’t see my family much, but if I decline, I’ll miss a great opportunity. I feel between a rock and a hard place.”
List of idioms Starting with B
| Idiom | Meaning |
|---|---|
| Babe In Arms | A Baby Being Carried |
| Babe In The Woods | An Innocent, Naive Person |
| Babe Magnet | A Man To Whom Women Are Attracted |
| Baby Blues | Blue Eyes. |
| Baby Boomer | A Person Born In The Years Following World War Ii, When There Was A Temporary Marked Increase In The Birth Rate |
| Babysitter Test | An Evaluation Of The Ease Of Use Of Household Appliances, Especially Remote Control Devices |
| Back Against The Wall | Stuck In A Difficult Circumstance With No Escape |
| Back And Forth | Dialogue, Negotiations |
| Back At You | Same To You Used To Return A Greeting Or Insult |
| Back Burner | Not Urgent, Set Aside Until Later |
| Back Forty | Remote, Inaccessible Land |
| Back In The Day | Formerly, When I Was Younger, In Earlier Times |
| Back Of Beyond | A Remote Location |
| Back Office | Support Services For A Business |
| Back On One’S Feet | Physically Healthy Again |
| Back The Wrong Horse | To Support The Losing Side |
| Back To Square One | Back To The Start |
| Back To The Drawing Board | Begin Something All Over Again |
| Back To The Salt Mine | We Have To Go Back To Work. |
| Backing And Filling | Delaying A Decision By Making Small Changes Or Arguing About Small Details |
| Backseat Driver | A Passenger In A Car Who Gives Unwanted Advice To The Driver Is Called A Backseat Driver. |
| Bad Apple | A Discontented, Trouble Making, Or Dishonest Person |
| Bad Blood | Enmity Or Hatred That Stems From Something In The Past |
| Bad Egg | A Troublesome Person |
| Bad Taste In One’S Mouth | Unease, A Feeling That Something Unspecified Is Wrong In A Situation |
| Bag Of Tricks | A Set Of Methods Or Resources |
| Bail Out | To Rescue Someone From A Bad Situation, To Shield Someone From The Consequences Of His Or Her Actions |
| Ball And Chain | One’S Spouse, An Ongoing Burden |
| Ball Is In Your Court | The Decision Is Up To You |
| Ballpark Figure | A Rough Estimate |
| Bang For Your Buck | Get The Most Benefit Possible Out Of The Money You Spend |
| Bang One’S Head Against The Wall | Try Repeatedly To Do Something Without Making Progress |
| Banner Year | A Year Marked By Strong Successes |
| Baptism By Fire | A Difficult Task Given Right After One Has Assumed New Responsibilities |
| Bar Fly | Someone Who Spends Much Of His Or Her Time In Bars |
| Bare Bones | A Very Basic Model Or Version, With No Extras Or Add |
| Bare One’S Heart | To Confess One’S Deepest Secrets |
| Bark Up The Wrong Tree | Look In The Wrong Place Or Falsely Accuse |
| Barking Up The Wrong Tree | Having The Wrong Impression Of A Person Or Situation |
| Basket Case | Erratic Or Panicky |
| Bat/Play For Both Teams | To Be Bisexual. |
| Bat/Play For The Other Team | To Be Homosexual. |
| Bats In The Belfry | Indicates That Someone Is Behaving In An Eccentric Or Less Than Sane Manner |
| Batten Down The Hatches | Prepare For A Storm |
| Be A Barrel Of Laughs | To Be Fun, Funny, And Pleasant. |
| Be A Cold Day In Hell | Something That Will Never Happen |
| Be An Item | Be A Couple |
| Be Footloose And Fancy-Free | To Be Free Of Responsibilities, Including Romantic Commitments |
| Be Head Over Heels | Be In Love With Somebody Very Much |
| Be In Seventh Heaven | Extremely Happy |
| Be In Two Minds | To Not Be Certain About Something, Or To Have Difficulty In Making A Decision |
| Be Like Chalk And Cheese | Things Or People Who Are Very Different And Have Nothing In Common |
| Be Lovey | Expressing Your Love In Public By Constantly Kissing And Hugging |
| Be Nuts About | Really Enjoy |
| Be On The Mend | Be Improving After An Illness |
| Be Snowed Under | Be Extremely Busy With Work Or Things To Do |
| Bean Counters | Accountants, Finance Professionals In An Organization |
| Beast Of Burden | Someone Carries Others Problems |
| Beat A Dead Horse | Dwell On A Topic Beyond Resolution |
| Beat Around The Bush | Avoid Saying What You Mean, Usually Because It Is Uncomfortable |
| Beat Someone To The Draw | To Accomplish Or Obtain Something More Quickly Than Someone Else |
| Beat Someone To The Punch | Do Something Before Or Faster Than Someone Else |
| Beat The Clock | Finish Something Before The Deadline |
| Beat The Drum For Something | Speak In Favor Of Something To Try To Generate Support |
| Beauty Is In The Eye Of The Beholder | Everyone Has Different Preferences For What Is Attractive |
| Beauty Is Only Skin Deep | External Appearance Is A Superficial Basis For Judging Someone |
| Bed Of Roses | A Comfortable Situation |
| Bedroom Eyes | An Expression Of The Eyes That Seems To Invite Sex |
| Bee In Her Bonnet | She Is Upset |
| Bee In One’S Bonnet | Someone Who Has A Bee In Their Bonnet Has An Idea Which Constantly Occupies Their Thoughts. |
| Beef Up | To Strengthen Something |
| Beet Red | Embarrassed Or Angry |
| Beggar Thy Neighbor | To Do Something Beneficial For Oneself Without Worrying About How It Affects Others |
| Beggars Can’T Be Choosers | If You Are In A Bind, You Can’T Be Picky When Someone Offers You Some Help |
| Behind The Eight Ball | At A Serious Disadvantage |
| Behind The Scenes | In A Way Not Apparent To The Public |
| Behind The Times | Old-Fashioned |
| Behind You All The Way | To Fully Support Someone’S Actions |
| Bell The Cat | Take On A Difficult Or Impossible Task |
| Bells And Whistles | Attractive But Unnecessary Features Of A Product |
| Belly Laugh | Loud, Hearty Laughter |
| Bend An Elbow | Drink Alcoholic Beverages At A Tavern |
| Best Thing Since Sliced Bread | An Innovative Development |
| Best Of Both Worlds | Combining Two Qualities That Are Usually Separate |
| Bet One’S Bottom Dollar | Be Certain That Something Will Happen |
| Bet The Farm | Risk Everything, Spend All One’S Money On Something In Hopes Of Success |
| Better Late Than Never | Better To Arrive Late Than Not To Come At All |
| Better Perspective | A Clearer View Of Something, A More Thorough Understanding Of A Situation |
| Between A Rock And A Hard Place | Caught Between Two Undesirable Options |
| Between The Devil And The Deep Blue Sea | In A Difficult Position |
| Beyond The Pale | Too Morally Or Socially Extreme To Accept |
| Beyond The Shadow Of A Doubt | Absolutely Certain |
| Bide Your Time | Relax And Take Your Time Doing Something |
| Big Apple | An Informal Name For New York City |
| Big Brother | Government, Viewed As An Intrusive Force In The Lives Of Citizens, Government Spying |
| Big Cheese | An Important Person |
| Big Deal | An Important Event Or Accomplishment |
| Big Fish | An Important Person |
| Big Picture | A Wide Perspective, A Broad View Of Something |
| Big Time | If You Do Something Big Time, You Do It To A Great Degree. |
| Bird’S-Eye View | A View From Above, A Broad Perspective On Something |
| Birdbrain | Someone Who Is Not Very Smart |
| Birds Of A Feather | People Having Similar Characters, Backgrounds, Interests, Or Beliefs. |
| Birds Of A Feather Flock Together | People Who Are Alike Are Often Friends |
| Birthday Suit | Naked |
| Bite Off More Than One Can Chew | Take On More Responsibility Than What Is Manageable |
| Bite Off More Than You Can Chew | Take On A Project That You Cannot Finish |
| Bite The Bullet | To Endure An Unpleasant And Unavoidable Situation |
| Bite The Hand That Feeds You | Act Badly Toward Someone Who Has Helped You |
| Bitter Pill To Swallow | An Unpleasant Fact That One Must Accept |
| Black And White | A Clear Distinction Between Good And Bad, Positive And Negative |
| Black Eye | A Mark Of Shame |
| Black Sheep | A Person Who Does Not Fit Into A Group, Especially A Family |
| Black-And-Blue | Bruised, Showing Signs Of Having Been Physically Harmed |
| Blank Check | Permission To Spend Or Do Whatever One Wishes, Carte Blanche |
| Blind Date | When Two People Who Have Never Seen Each Other Before Go On A Date |
| Blinded By Love | When A Person Is So Madly In Love With Somebody That They Can’T See The Person’S Faults Or Negative Characteristics |
| Blood And Thunder | A Dramatic, Spectacular Performance |
| Blow Away The Cobwebs | If Something Blows Away The Cobwebs, It Makes You Feel More Lively And Refreshes Your Ideas. |
| Blow Hot And Cold | Alternate Inconsistently Between Moods And Actions |
| Blow Off Steam | To Express Anger And Frustration In A Way That Does No Damage |
| Blow One’S Stack | To Lose One’S Temper And Explode In Anger |
| Blow One’S Top | Lose One’S Temper |
| Blow The Cobwebs Away | Make Space For Fresh Ideas, Encourage Something New |
| Blow The Whistle | Reporting An Illegal Or Unacceptable Activity To The Authorities |
| Blow Up | Explode |
| Blow Your Own Trumpet | Brag, Emphasize One’S Own Contributions |
| Blue Blood | Person Of Aristocratic Background |
| Blue Eyed Boy | A Person Who Is A Favorite Of Those In Authority, Someone Whose Mistakes Are Forgiven |
| Blue Light Special | A Temporary Sale At A Discount Store, A Traffic Stop By The Police. |
| Bob’S Your Uncle | The Rest Is Easy, You’Re Almost Finished |
| Boil The Ocean | Taking Up An Almost Impossible Or Overly Ambitious Project |
| Bolt From The Blue | Something That Happened Without Warning |
| Bone Dry | Completely Dry, Totally Without Moisture |
| Born On The Wrong Side Of The Blanket | Born To Parents Who Were Not Married |
| Borrow Trouble | Take Needless Risks, Invite Problems |
| Bottom Of The Barrel | Low-Quality Choices |
| Bought The Farm | To Die Unexpectedly |
| Boy Toy | A Young Man Who Is The Lover Of An Older, Often Wealthier Woman See Toyboy |
| Boys Will Be Boys | A Phrase Of Resignation Used When Boys Get Into Trouble Or Are Stereotypically Reckless Or Rowdy |
| Brainstorm | To Generate Many Ideas Quickly |
| Break A Leg | Good Luck |
| Break Fresh/ New Ground | Doing Something That Has Never Been Done Before |
| Break Out In A Cold Sweat | To Perspire From Fever Or Anxiety |
| Break The Bank | Exhaust One’S Financial Resources |
| Break The Ice | Make People Feel More Comfortable |
| Break Up/ Split Up | End The Relationship |
| Bright Shoot | Start Something New, A New Chapter |
| Bright Spark | Someone That Is Highly Intelligent |
| Brilliant | Shining Brightly, Stands Out, Illustrious |
| Bring Home The Bacon | Earn Money For One’S Family |
| Bringing A Knife To A Gunfight | Underequipped Or Unprepared |
| Brush Under The Carpet | Attempt To Temporarily Conceal A Problem Or Error |
| Bucket List | Things You Want To See Or Do Before You Die |
| Build On | To Use Something As A Base Or Foundation To Develop Something Else |
| Build/Make A Good Case | To Argue That Something Is The Best Thing To Do, To Explain And Give Reasons Why Something Should Be Done |
| Bull In A China Shop | A Clumsy Or Tactless Person |
| Bump In The Road | A Temporary Problem, A Small Setback |
| Bundle Of Nerves | Very Nervous Or Anxious About Something |
| Bundle Up | Put On Lots Of Warm Clothing |
| Burn Bridges | Destroy Relationships |
| Burn One’S Bridges | Leave A Job Or A Relationship On Such Bad Terms That One Does Not Stay In Contact |
| Burn The Candle At Both Ends | To Work Too Hard, With Possible Bad Consequences For One’S Health |
| Burn The Midnight Oil | To Work Late Into The Night |
| Burn Your Boats/Bridges | Doing Something That Makes It Impossible To Go Back To The Original State. |
| Bury Hide One’S Head In The Sand | Ignoring Something That’S Obviously Wrong, Not Facing Reality |
| Bury The Hatchet | Make Peace, Agree To End A Dispute |
| Business As Usual | A Normal Situation Whether Related To Business Or Not, Typically Restored After Some Change |
| Busman’S Holiday | A Vacation Where You Do The Same Thing You Do At Work, A Working Vacation |
| Busted Flush | A Failure, Someone Or Something That Seemed Promising But Did Not Develop Well |
| Busy As A Bee | To Be Very Active And Working Hard At Something |
| Butter Wouldn’T Melt In Someone’S | Mouth This Person Is Cool In Manner, Prim And Proper |
| Buy A Pig In A Poke | To Buy Something With No Prior Inspection |
| Buy Time | Cause A Delay In Something With The Aim Of Improving One’S Position |
| By A Whisker | By A Very Short Distance |
| By All Means | Of Course, Certainly |
| By Hook Or By Crook | By Some Possibly Dishonest Means |
| By The Skin Of One’S Teeth | Narrowly Or Barely Escaping A Disaster |
| By The Skin Of Your Teeth | Just Barely |
| By Word Of Mouth | Via Personal Communications Rather Than Written Media |
Conclusion
Diving into idioms beginning with ‘B’ has been an enlightening journey through the intricacies of the English language. These idiomatic expressions offer a window into the collective wisdom, humor, and values of a culture. They add depth, color, and flair to conversations, and understanding their meanings can greatly enhance both comprehension and expressiveness in language. Whether you’re an avid language learner or simply someone who enjoys the playfulness of words, idioms offer a fascinating and enriching dimension to explore.
Idioms That Start With
A | B | C | D | E | F | G | H | I | J | K | L | M | N | O | P | Q | R | S | T | U | V | W | Y | Z
