\ 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

President Trump has urged the central bank to cut rates for months to boost growth. Washington Post, "Federal Reserve expresses concern about U.S. economy and signals interest rate cuts are likely coming," 20 June 2019 Moving quickly to establish economic influence, COSCO bought controlling or significant stakes in ports in Valencia, Spain, and Vado, Italy, rapidly upgraded those facilities, and used its shipping line to boost container volume. Christopher R. O'dea, National Review, "How China Weaponized the Global Supply Chain," 20 June 2019 Russia recently offered the Su-57 to Turkey and might be willing to part the Sukhoi jet out, selling bits of technology to boost Turkey’s development. Kyle Mizokami, Popular Mechanics, "Turkey Has Its Own High-Tech Fighter Jet in the Works," 19 June 2019 The solar industry is counting on recent policy developments to boost solar installations in the next two years in states that, up to now, didn't have much in the way of residential solar. Houston Chronicle, "Residential solar demand slowing; industry looks for new places to put panels," 19 June 2019 Rhode Island Providence: The state has received a $2.8 million federal grant to boost efforts to bring an Amtrak stop to Rhode Island’s main airport. USA TODAY, "‘Lorax’ tree legend, butter Elmo, meth squirrel: News from around our 50 states," 19 June 2019 President Donald Trump has urged the central bank to cut rates for months to boost growth. Anchorage Daily News, "Federal Reserve expresses concern about US economy, signals likely interest rate cut soon," 19 June 2019 Republicans are holding a pep rally of sorts later this month to boost morale and increase registration., "Who are the largest employers in Ohio?: Capitol Letter," 18 June 2019 That could please Trump, who has long been calling for a rate cut as a way to boost the US economy. Anneken Tappe, CNN, "Trump went on a Twitter rant about European markets. Here's what it all means," 18 June 2019

Recent Examples on the Web: Noun

But local happenings could also have contributed to the growth, including a recent boost to the software startup scene. Brittany Meiling, San Diego Union-Tribune, "San Diego tech workers are lowest paid out of 10 major cities. But there’s hope yet," 20 June 2019 This could mean a meaningful boost to federal funding and extra seats in the House of Representatives for California and Texas, but that depends on their populations being counted accurately. The Economist, "ImmigrationImmigration shapes the politics of California and Texas," 20 June 2019 The testimony came as a surprise to prosecutors and a major boost to Gallagher, who is fighting charges of murder and attempted murder. Author: Julie Watson, Brian Melley, Anchorage Daily News, "Witness at Navy SEAL’s trial admits killing wounded teenage ISIS prisoner," 20 June 2019 Customers will still be able to order juice and smoothies, but Jamba will be expanding its menu to include more bowls and boosts, the company said. Doreen Christensen,, "Free smoothies at Jamba on Friday," 19 June 2019 With Facebook's massive user base, even a small portion of that audience jumping to cryptocurrency gives Libra a boost, said Pachter. Brett Molina, USA TODAY, "Would you trust Facebook with your money? What Libra cryptocurrency means for users," 18 June 2019 There are currently two types of hypersonic propulsion: boost glide and scramjets. Kyle Mizokami, Popular Mechanics, "This New Hypersonic Missile Would Travel Faster Than Mach 5," 18 June 2019 LAKE ERIE Fishermen are catching surprising numbers of walleye from piers and breakwalls between Port Clinton and Cleveland, a summertime boost for anglers who don’t have a boat but want to hook up with a fish dinner. D'arcy Egan,, "If you aren’t catching walleye on Lake Erie, you aren’t trying: June 14 Fishing Report," 14 June 2019 That boost provides just over $493,000 for Beaverton schools., "$12 million accounting error, soaring pension costs put Beaverton schools in dire straits," 14 June 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

23 Jun 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

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