\ ˈbüst How to pronounce boost (audio) \
boosted; boosting; boosts

Definition of boost

 (Entry 1 of 2)

transitive verb

1 : to push or shove up from below boosted him up over the fence
2 : increase, raise plans to boost production an extra holiday to boost morale
3 : to promote the cause or interests of : plug a campaign to boost the new fashions
4 : to raise the voltage of or across (an electric circuit)
5 slang : steal, shoplift



Definition of boost (Entry 2 of 2)

1 : a push upward gave her a boost into the saddle
2 : an act that brings help or encouragement : assist an innovation that has been a boost to the entire industry
3 : an increase in amount a boost in prices

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Synonyms & Antonyms for boost

Synonyms: Verb

heave, heft, hoist, jack (up), upheave

Synonyms: Noun

abetment, aid, assist, assistance, backing, hand, help, helping hand, leg up, lift, support

Antonyms: Noun


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Choose the Right Synonym for boost


lift, raise, rear, elevate, hoist, heave, boost mean to move from a lower to a higher place or position. lift usually implies exerting effort to overcome resistance of weight. lift the chair while I vacuum raise carries a stronger implication of bringing up to the vertical or to a high position. scouts raising a flagpole rear may add an element of suddenness to raise. suddenly reared itself up on its hind legs elevate may replace lift or raise especially when exalting or enhancing is implied. elevated the taste of the public hoist implies lifting something heavy especially by mechanical means. hoisted the cargo on board heave implies lifting and throwing with great effort or strain. heaved the heavy crate inside boost suggests assisting to climb or advance by a push. boosted his brother over the fence

Examples of boost in a Sentence


She boosted the boy onto his father's shoulders. boosted the child into her car seat


a boost in wheat production Exercise can sometimes provide a boost of energy. After layoffs at the company, employees needed a boost in morale. One company's innovation has proven to be a boost to the entire industry. Give the boy a boost onto the stage, will you?
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Recent Examples on the Web: Verb

The new fuels are expected to cost 40% more than traditional bunker fuel, boosting operators’ annual fuel bill by as much as $15 billion. Costas Paris, WSJ, "Singapore Ready to Supply Clean Ship Fuel," 9 Apr. 2019 Your roof creates up to 40% of your home’s curb appeal and boosts resale value. Good Housekeeping, "GH Seal Spotlight: GAF Roofing," 5 Apr. 2019 Unique architectural projects are often seen as ways of boosting tourism. David Grossman, Popular Mechanics, "Giant Skyscraper in Rural Denmark Will Be Seen For Miles," 2 Apr. 2019 Flaxman, founder and CEO of Crown Realty Development, is said to have paid bribes under the guise of donations—$250,000 for his son to be recruited for soccer at the University of San Diego and $75,000 to help his daughter boost her ACT score. Elizabeth Gulino, House Beautiful, "Real Estate Developers Indicted Over College Admissions Scam," 13 Mar. 2019 The big finding: By boosting reimbursement rates, Virginia Medicaid appeared to get more people into addiction treatment and seemed to see fewer emergency room visits related to opioid addiction. German Lopez, Vox, "The simple idea that could help end America’s opioid epidemic," 26 Dec. 2018 That has created an almost insatiable appetite for computing power, boosting the fortunes of GPU makers like Nvidia and AMD. Timothy B. Lee, Ars Technica, "How computers got shockingly good at recognizing images," 18 Dec. 2018 Even holding a Downward Dog for three to five minutes can boost circulation, giving your skin a glow. Glamour, "8 Genius Tips That’ll Give You Clearer Skin for Free," 26 Mar. 2019 Mentorship can also increase self confidence, boost communication skills, and enhance leadership qualities that'll benefit girls throughout their careers. Shannon Willoby, Redbook, "Why Girls Need More Mentors in STEM," 8 Mar. 2019

Recent Examples on the Web: Noun

Try it for yourself and see if Bach, Vivaldi, Beethoven or Mozart give you a boost! 13. Teen Vogue, "How to Study for Finals: 22 Fail-Proof Study Tips for Students," 9 Apr. 2019 The bedside manner of doctors, nurses and other caregivers is getting a boost from an unexpected source: artificial intelligence. Aili Mcconnon, WSJ, "Virtual Simulations Offer a Cure to Doctors’ Poor Bedside Manner," 1 Apr. 2019 Luckily, in the year 2019 there are a number of options available to give your smile a boost, one of which is a porcelain dental enhancement called veneers. Roxanne Adamiyatt, Town & Country, "What to Consider Before Getting Veneers on Your Teeth," 28 Feb. 2019 At Givenchy, Clare Waight Keller gave latex a boost, for example. Laird Borrelli-persson, Vogue, "5 Takeaways From Spring 2019 Couture," 26 Jan. 2019 Instead, this year’s update added a welcome speed boost, especially for older devices. Chaim Gartenberg, The Verge, "The Verge 2018 tech report card: Apple," 27 Dec. 2018 So Parkland may not have led to a big, permanent boost in support for gun control — at least, not levels of support that are historically anomalous. German Lopez, Vox, "How the Parkland shooting changed America’s gun debate," 26 Dec. 2018 Lyles and other Democrats have said the convention would bring tens of millions of dollars in visitor spending to the city, and would give low-wage hospitality workers a boost. Steve Harrison And Jim Morrill, charlotteobserver, "Charlotte delegation plans to be there when RNC 2020 is announced next month," 29 June 2018 Created by Joel Freeman and Jericho McMatthews, Core De Force is an at-home cardio program that incorporates boxing, kickboxing, and Muay Thai combinations, bodyweight moves, and other boosts of cardio. Alexa Tucker, SELF, "Everything You Need to Know About 10 Popular at-Home Workout Programs," 13 Jan. 2019

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'boost.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of boost


1801, in the meaning defined at transitive sense 1


1801, in the meaning defined at sense 1

History and Etymology for boost


of obscure origin


noun derivative of boost entry 1

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Learn More about boost

Statistics for boost

Last Updated

14 Apr 2019

Look-up Popularity

Time Traveler for boost

The first known use of boost was in 1801

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More Definitions for boost



English Language Learners Definition of boost

 (Entry 1 of 2)

: to increase the force, power, or amount of (something)
: to push or shove (something or someone) up from below



English Language Learners Definition of boost (Entry 2 of 2)

: an increase in amount
: help or encouragement
: a push upward


\ ˈbüst How to pronounce boost (audio) \
boosted; boosting

Kids Definition of boost

 (Entry 1 of 2)

1 : to raise or push up from below He boosted me through the window.
2 : to make bigger or greater boost production

Other Words from boost

booster noun



Kids Definition of boost (Entry 2 of 2)

: a push up : an act of boosting Give me a boost over the fence.

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More from Merriam-Webster on boost

Rhyming Dictionary: Words that rhyme with boost

Thesaurus: All synonyms and antonyms for boost

Spanish Central: Translation of boost

Nglish: Translation of boost for Spanish Speakers

Britannica English: Translation of boost for Arabic Speakers

Comments on boost

What made you want to look up boost? Please tell us where you read or heard it (including the quote, if possible).


having no equal

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