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

This day there are no hawks around to point to the buoyant air. Alan Berner, The Seattle Times, "Go, hawks: Sailplane pilots look to birds for flying tips," 23 Nov. 2018 Delta reported profits of $547 million in the March quarter compared with $561 million a year earlier, lifted by buoyant international traffic. Doug Cameron, WSJ, "Delta Finds Revenue in Credit Cards and Upgrades," 12 Apr. 2018 According to Physics Central, the oak doors likely used on the Titanic—combined with Rose and Jack's weight—would be greater than the buoyant force of the salt water. Alexis Jones, Marie Claire, "Rose Was Right Not to Let Jack Onto Her Furniture When the Titanic Sunk," 22 Nov. 2018 The publication describes the buoyant atmosphere as thousands of royal fans waited to greet Meghan, waving flags, and singing songs. Amy Mackelden, Harper's BAZAAR, "Meghan Markle Was Rushed by Security During Her Solo Visit to a Market in Suva," 24 Oct. 2018 Leave it to Lady Gaga to channel the buoyant spirit of Pride 2018 with a beauty moment equal parts boisterous and aspirational. Calin Van Paris, Vogue, "Lady Gaga Celebrates New York Pride With a Bold Makeup Look," 25 June 2018 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

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

11 Jan 2019

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

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