buoy·​ant | \ˈbȯi-ənt, ˈbü-yənt\

Definition of buoyant 

: having buoyancy Warm air is more buoyant than cool air. : such as

a : capable of floating Cork is naturally buoyant.

b : cheerful, gay in a buoyant mood

c : capable of maintaining a satisfactorily high level a buoyant economy

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Other Words from buoyant

buoyantly adverb

Synonyms & Antonyms for buoyant


blithe, blithesome, bright, canty [British dialect], cheerful, cheery, chipper, eupeptic, gay, gladsome, lightsome, sunny, upbeat, winsome


dour, gloomy, glum, morose, saturnine, sulky, sullen

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Examples of buoyant in a Sentence

Warm air is more buoyant than cool air. The actors were buoyant as they prepared for the evening's performance.

Recent Examples on the Web

The more eye-catching designs— like a plunging V-neck blue and red minidress — though nothing new, are likely to continue the it-brand’s buoyant sales. Thomas Adamson, The Seattle Times, "Starry Saint Laurent show in Paris sees models walk on water," 25 Sep. 2018 If anything, business conditions improved for Kering in the third quarter as Americans joined the handbag boom, both at home and in Europe, and conditions in China remained buoyant. Stephen Wilmot, WSJ, "Gucci Is Now a Bet on a Soft Landing in China," 24 Oct. 2018 Cancer were not scare him, and to would maintain that buoyant spirit to the very end, too stubborn to sit still, opinionated as ever, fiercely devoted to his friends, and most of all to his family. Emily Stewart, Vox, "Read Barack Obama’s eulogy for Sen. John McCain," 1 Sep. 2018 And Italian assets remained buoyant after voters rejected changes backed by the government in a 2016 constitutional referendum, leading Prime Minister Matteo Renzi to resign. Giovanni Legorano, WSJ, "Italy’s Politics Fail to Rattle Its Financial Markets," 11 May 2018 Overcast conditions across much of the D.C. region have kept temperatures down, as well as the amount of instability (buoyant energy) available to power thunderstorms. Jeff Halverson, Washington Post, "Heavy showers and storms may target Washington region around sunset," 20 June 2018 When DalCanton first appears in Act Two, her buoyant energy finally re-centers the comedy, and the chemistry between Altman and her sparkles as two thoroughly ridiculous people finally find one another. Jim Rutter, Philly.com, "At Hedgerow: 'The Importance of Being Earnest' (and, for this play, being youngish)," 6 May 2018 No matter which section one is in or what is in one’s glass, the mood is decidedly buoyant, ignited by the arrival of the Queen and various members of her family in a line of horse drawn carriages. Steven Stolman, Town & Country, "What It's Really Like to Attend Royal Ascot," 20 June 2018 With the acquisition of Sanchez, Herrera feels buoyant that United now have the great firepower to embark on their search for trophies. SI.com, "Ander Herrera Believes Manchester United Now Have the Firepower to Battle for Every Trophy," 28 Jan. 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'buoyant.' 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 buoyant

1578, in the meaning defined above

History and Etymology for buoyant

see buoy entry 1

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Statistics for buoyant

Last Updated

29 Nov 2018

Look-up Popularity

Time Traveler for buoyant

The first known use of buoyant was in 1578

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More Definitions for buoyant



English Language Learners Definition of buoyant

: able to float

: able to cause things to float

: happy and confident


buoy·​ant | \ˈbȯi-ənt, ˈbü-yənt\

Kids Definition of buoyant

1 : able to rise and float in the air or on the top of a liquid buoyant cork

2 : able to keep a body afloat

3 : lighthearted, cheerful a buoyant mood

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More from Merriam-Webster on buoyant

Thesaurus: All synonyms and antonyms for buoyant

Spanish Central: Translation of buoyant

Nglish: Translation of buoyant for Spanish Speakers

Comments on buoyant

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


the figure or shape of a crescent moon

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