\ 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

Dickinson ISD has partnered with a consultant group on a districtwide initiative to boost teacher-student relationships by setting expectations and having youths participate in activities as classroom circles. Jennifer Bolton, Houston Chronicle, "Dickinson ISD focus: Help teachers build relationships with students," 15 Aug. 2019 The directive to halt foreign exchange for imports of food is a direct clash with that agreement, which is supposed to boost intra-Africa trade by creating a single market for Africa's 1.2 billion people. Aisha Salaudeen, CNN, "Nigeria's president moves to stop funding for food imports," 14 Aug. 2019 Some cut costs by boosting output per worker, often by driving workers harder. The Economist, "Prices for many goods do not move the way economists think they should," 8 Aug. 2019 For a fast fix, apply a hydrating mask, such as Beauty Lab test winner Skin Laundry Hydrating Facial Mask, which boosted skin moisture levels by 25% in minutes. April Franzino, Good Housekeeping, "7 Tips to Get Glowing Skin, According to Skin Care Experts," 1 Aug. 2019 Under the deal, automakers agreed to boost the fuel economy of their new vehicle fleets to 50 miles per gallon by 2026, by cutting their greenhouse gas emissions 3.7 percent each year. Paul Rogers, The Mercury News, "How California has blocked Trump’s environmental rollbacks," 27 July 2019 Perhaps more than anything, the club’s willingness to sell at the deadline is likely to be about not wanting to miss out on a chance to boost its farm system by cashing in on a potentially valuable asset. Arizona Republic, azcentral, "Robbie Ray shuts out rumors, beats Orioles in possible final start with Diamondbacks," 23 July 2019 The new agreement allows legislators to boost defense spending by $22 billion, to $738 billion, and civilian spending by $27 billion, to $632 billion. Jeffrey Mervis, Science | AAAS, "Budget deal raises hopes for U.S. research agencies," 23 July 2019 Essence also faces a pending whistleblower suit filed by Charles Rasmussen, a Branson, Mo., doctor who alleges the health plan illegally boosted profits by overstating the severity of patients’ medical conditions. Kaiser Health News,, "Medicare knows about $30 billion in overbilling but refunds prove elusive," 20 July 2019

Recent Examples on the Web: Noun

Manchester United's hopes of signing England wonderkid Jadon Sancho have taken a boost, as it's been reported that Borussia Dortmund may be forced to cash-in on the winger sooner rather than later., "Manchester United Given Huge January Boost in Pursuit of €100m-Rated Star," 14 Aug. 2019 That earlier boost, however, was due to Brexit, as businesses stockpiled goods ahead of the original Brexit date of March 31, which is now scheduled for Oct. 31. Adam Rasmi, Quartz, "With Brexit looming, the UK economy went into reverse," 9 Aug. 2019 Try it: Add a tablespoon into your smoothies for a quick fat, fiber, and protein boost, or whip up some DIY chia seed pudding. SELF, "19 Healthy, High-Fat Foods to Keep You Full and Satisfied," 8 Aug. 2019 Fill them with the tiny wood smoker pellets that look like rabbit feed to add a lengthy, thick smoke boost whenever it is needed. Chuck Blount,, "The 6 best new grilling gadgets to buy now," 5 Aug. 2019 Noise studies will be conducted to see what potential impacts those changes might have.(File photo) Glendale’s night life could get a boost, as officials begin looking into easing noise restrictions in the city’s more bustling parts of downtown. Lila Seidman, Glendale News-Press, "Downtown Glendale could get its groove on longer, as city officials consider extending music hours," 2 Aug. 2019 When used, this gives both players some kind of temporary boost (health, armor, weapon damage). Sam Machkovech, Ars Technica, "Wolfenstein Youngblood review: In my day, we called this an expansion pack," 25 July 2019 Banana Republic, which moved from the Gallery across the street into Harborplace in May 2018, is projecting a 40 percent boost in annual sales, to $1.1 million this year. Lorraine Mirabella,, "Receiver issues report offering look at struggles of Baltimore’s Harborplace," 24 July 2019 The proposal would be a boost in federal spending on cancer. Anne Saker,, "Trump claims he'll 'end the AIDS epidemic,' 'cure childhood cancer' at Cincinnati rally," 1 Aug. 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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Statistics for boost

Last Updated

18 Aug 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

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