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Bolster in a Sentence: Meaning, Examples & Practice

    Cartoon pupils prop blocks under a wobbling model bridge, showing bolster in a sentence as support that makes it steady.

    Bolster means to strengthen or support something so it holds up better under pressure. To use bolster in a sentence, name what is being held up and what supplies the support: “The grant bolstered the school’s music program.” The verb is transitive, so it always takes an object.

    Bolster at a glance

    • Bolster is a transitive verb; its forms are bolsters, bolstered and bolstering, and it is also a noun for a long cushion.
    • The two main senses are making something stronger and giving physical support.
    • The usual objects are morale, confidence, a case, an economy, figures or a budget.
    • Bolster belongs to neutral and formal writing; it is rare in casual conversation.
    • The commonest error is mixing up bolster with bluster, which means to talk loudly and emptily.

    What does bolster mean?

    Bolster is a transitive verb meaning to strengthen or support something, especially something already under pressure. The Cambridge entry for bolster records both the physical and the figurative senses. Where the support comes from facts rather than force, reinforce a claim is often the closer verb, because bolster adds the idea of propping something up that might otherwise fall.

    Sense Plain meaning Example sentence
    Strengthen Make something stronger or more effective The new evidence bolstered her argument.
    Support physically Hold up or pad a structure Wooden beams bolstered the sagging floor.
    Raise or increase Lift a total or a figure Late buyers bolstered the final sales figures.

    One limitation is worth stating plainly. Bolster is not a synonym for create or invent, because it props up something that already exists. A shop with no customers cannot bolster demand, though it can strengthen its offer until demand appears.

    How do you use bolster in a sentence?

    Put the support first and the thing it holds up second: something bolsters something. Five patterns cover almost every real sentence, and the with-phrase is the one that names the means of support.

    Pattern Example What it signals
    bolster + object The coach’s praise bolstered the team’s confidence. A direct object names what is being strengthened.
    bolster + object + with The report bolstered its case with three surveys. The with-phrase names the means of support.
    bolster + up Extra staff bolstered up the failing helpline. The particle adds a sense of shoring something up.
    help + bolster The reforms helped bolster foreign investment. A helping verb softens one cause into a contribution.
    be bolstered Confidence was bolstered by a surprise win. Passive, used when the support matters more than its source.

    Writers who want to prop up a physical structure rather than a figure often choose shore up a wall, since that verb keeps the image of a beam. The practitioner rule is simple: if you can replace the word with make stronger, bolster fits the sentence.

    Three cartoon cards show morale, a case and a budget slotting into the object position after the verb bolster.
    Something must always be bolstered, so the verb needs a clear object.

    Bolster in a sentence: examples across contexts

    Bolster changes register more than it changes meaning. The nine sentences below keep the same verb while moving from a classroom to a market report, and each one names the support doing the work.

    Context Example sentence Why this works
    Classroom The teacher’s note bolstered Maya’s confidence before the spelling bee. A small personal act of support shows the everyday sense.
    Workplace email The extra figures should bolster the case for hiring two more staff. Numbers serve as the support, which reads as measured.
    News report A late surge in exports bolstered the government’s growth forecast. The subject is an economic movement, not a person.
    Sports report Two quick goals bolstered a defence that had looked shaky. The verb links a result to a team’s morale.
    Academic writing Further trials would bolster the reliability of these results. A conditional verb keeps the claim tentative.
    Business writing The partnership should bolster the firm’s presence in Asia. The object is a strategic position, not a feeling.
    Conversation A good night’s sleep really bolstered me for the interview. Informal register in the first person, still transitive.
    History essay Wartime factories bolstered the economy within a single decade. A concrete cause is credited with a large effect.
    Product review A sturdy steel frame bolsters the whole design. The physical sense survives in descriptions of objects.

    Only the conversational sentence uses the first person, and only the product review keeps the literal sense. That split is the clearest signal of where this verb lives.

    Bolster vs bluster

    Bolster and bluster differ by a single letter and nothing else. bluster means to talk in a loud, empty way, so a speech can bluster without bolstering anything.

    Attribute bolster bluster
    Core meaning Strengthen or support Talk loudly and emptily
    Part of speech Verb, and noun for a cushion Verb, and noun for loud talk
    Typical subject Evidence, funding, a result A person, a crowd or a storm
    Typical object Confidence, a case or a position Usually none, or about something
    Effect created Something becomes steadier Nothing changes but the volume
    Register Neutral to formal Informal, often critical

    Verdict: choose bolster when the sentence makes something stronger, and boost a total or bluster when it does not.

    Word forms and grammar of bolster

    Bolster inflects regularly, and its past participle is the form most often used in reports. The table also lists the near neighbour learners reach for by mistake.

    Form Part of speech Example
    bolster verb, base form New sponsors will bolster the club.
    bolstered verb, past and past participle The apology bolstered the friendship.
    bolstering verb, present participle The loans are bolstering small farms.
    bolsters verb, third person singular Praise bolsters a nervous speaker.
    bolster noun He propped his book on a bolster.
    bluster verb, different meaning The manager blustered about the referee.

    Keep bluster out of this family in meaning even though the two words look almost the same: the one is about strength and the other about noise.

    Common mistakes with bolster

    • Incorrect: The manager bolstered about the defeat. Correct: The manager blustered about the defeat. Rule: To talk loudly is bluster; to strengthen is bolster.
    • Incorrect: The grant bolstered. Correct: The grant bolstered the program. Rule: Bolster is transitive, so it needs an object.
    • Incorrect: They bolstered him to try again. Correct: They bolstered his confidence to try again. Rule: Bolster takes a thing such as confidence, not a person with an infinitive.
    • Incorrect: The beams bolstered up the roof. Correct: The beams bolstered the roof. Rule: Up adds nothing here and can sound redundant in formal writing.
    • Incorrect: The win bolstered moral. Correct: The win bolstered morale. Rule: Morale means spirit; moral means a lesson, so the spelling changes the meaning.

    Practice using bolster

    Work through the six items, then check the reasoning rather than only the answer.

    1. Fill the gap: The unexpected donation ______ the shelter’s funds for another year.
    2. Choose the better word: After the loss, the coach (bolstered / blustered) about the referees.
    3. Correct the error: New evidence bolstered up her claim.
    4. Build a sentence: use bolster with a clear object about a classmate’s confidence before a test.
    5. Spot the register: which belongs in a business report — the figures bolster our case, or the figures totally gave us a boost?
    6. Correct the spelling: The applause bolstered everyone’s moral.

    Answers

    1. bolstered — the donation is the support and the funds are the object it strengthens.
    2. blustered — the coach talked emptily; bolstered would wrongly mean the coach was made stronger.
    3. New evidence bolstered her claim — the particle up adds nothing and reads as filler.
    4. Model answer: A note from her tutor bolstered Ana’s confidence before the maths test.
    5. The figures bolster our case — a report avoids totally and keeps the verb transitive and plain.
    6. The applause bolstered everyone’s morale — morale means spirit, while moral means a lesson.

    The bottom line

    Use bolster in a sentence when something that already exists needs to be made steadier, and let the support come from a clear source such as evidence, money or praise. The two details that decide most sentences are these: the verb is transitive, so it always needs an object, and it belongs to measured writing rather than casual talk. For a purely physical prop, support a beam may be the plainer choice.

    A cartoon single continuous scene contrasts a boy stacking firm blocks under a model with a boy shouting beside an empty box.
    Bolster builds something up, while bluster only makes noise.

    Frequently asked questions about bolster

    Is bolster a formal word?

    Bolster sits in neutral, professional writing rather than slang. You meet it in news reports, business cases and academic prose, where evidence or funding does the supporting. In casual conversation people more often say boost or prop up. Writing the news bolstered my mood to a friend is possible but slightly stiff.

    What is the difference between bolster and bluster?

    Bolster is a verb meaning to strengthen or support, and it always takes an object such as confidence or a case. Bluster is a verb and a noun meaning loud, empty talk, and it usually has no object. The two differ by one letter, so a spellcheck will not catch the mix-up.

    Can bolster be a noun?

    Yes. As a noun, bolster names a long, firm cushion placed under pillows or used to support a limb, and it also names a pad or block in machinery. The verb is far more common in modern writing. The noun is ordinary and concrete, so context makes the two easy to tell apart.

    Does bolster always mean improve?

    No. Bolster means to strengthen or support something that already exists, which is not the same as improving it. A loan bolsters a budget without making the budget better, and a beam bolsters a floor without repairing it. If the sentence is about adding qualities, strengthen is usually the more precise choice.


    Looking to enhance your writing by adding more support and strength? Welcome to the world of bolstering sentences. A sentence augmented with additional details or reasoning to fortify its main idea is known as a bolstered sentence.

    By incorporating bolstered sentences in your writing, you can provide clarity, depth, and persuasion to your ideas. Bolstering allows for a more comprehensive and convincing communication of your thoughts to your audience. So, let’s delve into the art of bolstering sentences and elevate the impact of your writing to new heights.

    7 Examples Of Bolster Used In a Sentence For Kids

    • Let’s bolster our learning with some fun activities.
    • We can bolster our friendship by sharing toys.
    • Use a pillow to bolster your head while sleeping.
    • Can you help me bolster this tower with more blocks?
    • Remember to bolster your confidence before the performance.
    • Let’s bolster our teamwork by working together on this project.
    • Use a blanket to bolster your warmth on a chilly day.

    14 Sentences with Bolster Examples

    • The college library has added new resources to bolster students’ research and study materials.
    • Attending workshops on time management can bolster a student’s ability to juggle academics and extracurricular activities.
    • Joining a study group can bolster your understanding of complex subjects through collaborative learning.
    • Seeking guidance from professors can bolster your knowledge and confidence in tackling difficult assignments.
    • Participating in internships can bolster your practical skills and enhance your employability after graduation.
    • Taking up a leadership role in student clubs can bolster your communication and organizational skills.
    • Attending career fairs can bolster your networking opportunities for future job prospects.
    • Incorporating regular exercise into your routine can bolster your overall well-being and academic performance.
    • Learning time management techniques can bolster your productivity and reduce stress during exam season.
    • Using online resources can bolster your understanding of course materials and help you ace your exams.
    • Forming study groups with classmates can bolster your motivation and accountability for completing assignments on time.
    • Seeking feedback from peers can bolster your understanding of different perspectives and improve your critical thinking skills.
    • Developing a strong support network of friends can bolster your emotional well-being during challenging times in college.
    • Attending career development workshops can bolster your resume writing and interview skills for job applications.

    How To Use Bolster in Sentences?

    To bolster means to support, strengthen, or improve something. When using the word bolster in a sentence, it is important to understand its meaning and use it correctly. Here is a guide for beginners on how to use bolster effectively in a sentence:

    1. Choose the context: Determine the context in which you want to use the word bolster. Are you talking about supporting an argument, strengthening a relationship, or improving a system?

    2. Identify the subject: Think about the subject that needs to be bolstered in your sentence. It could be a specific idea, a plan, a person, or a particular situation.

    3. Formulate the sentence: Once you have the context and subject in mind, construct a sentence that clearly conveys the idea of supporting, strengthening, or improving. For example, “The new evidence bolstered her case in court.”

    4. Check for accuracy: Make sure that the sentence makes sense and that the word bolster is used appropriately within the sentence. Avoid using it in a way that may confuse the meaning.

    5. Practice using bolster in various sentences: To become more comfortable with using the word bolster, practice incorporating it into different sentences to improve your understanding and usage.

    Remember, using the word bolster correctly can enhance the clarity and effectiveness of your communication.

    Conclusion

    In conclusion, using sentences that bolster your arguments or ideas is essential for effectively conveying your message. By providing strong, supportive statements, you can enhance the clarity and persuasiveness of your writing. These sentences act as building blocks, reinforcing your main points and helping to convince your audience of the validity of your claims.

    Whether you are writing an academic paper, a persuasive essay, or a business proposal, incorporating sentences that bolster your content will strengthen your overall communication. By carefully crafting these supportive statements, you can increase the impact of your writing and leave a lasting impression on your readers.

    Written & edited by

    Founder & Editor, StartsWithy

    Robin founded StartsWithy in 2022 to make English words easier to understand and use. Robin oversees our 30,000+ guides, checks meanings and grammar against trusted dictionaries such as Cambridge, Oxford Learner’s and Collins, and is accountable for every correction we make.