buoyant

adjective

buoy·​ant ˈbȯi-ənt How to pronounce buoyant (audio)
ˈbü-yənt
Synonyms 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
buoyantly adverb

Synonyms of buoyant

Relevance
See All Synonyms & Antonyms in Thesaurus

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
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Her lively cast, led by a buoyant Ella Rubin, bounce off each other in a remote, gorgeous, lakeside setting on which the show’s entire story pivots. — Ben Travers, IndieWire, 5 Aug. 2026 Sperm whales take their naps by first diving down a bit before the buoyant head turns toward the surface; by sinking tail-first to a depth of roughly 8 meters; or by slowly ascending to the surface after a deep dive (over 200 meters). — ArsTechnica, 3 Aug. 2026 Dough should be very smooth and slightly tacky with a soft, buoyant texture. — Claire Saffitz, Bon Appetit Magazine, 1 Aug. 2026 Americans benefited from a robust labor market, a buoyant stock market, bigger tax refunds and savings, said Kathy Bostjancic, chief economist at Nationwide, said in commentary issued Thursday. — Bryan Mena, CNN Money, 30 July 2026 See All Example Sentences for buoyant

Word History

Etymology

see buoy entry 1

First Known Use

1578, in the meaning defined above

Time Traveler
The first known use of buoyant was in 1578

Rhymes for buoyant

See All Rhymes for buoyant

Browse Nearby Words

buoyancy tank
buoyant
buoyant force
See all Nearby Words

Cite this Entry

“Buoyant.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/buoyant. Accessed 16 Aug. 2026.

Copy Citation

Kids Definition

buoyant

adjective
buoy·​ant ˈbȯi-ənt How to pronounce buoyant (audio)
ˈbü-yənt
1
: having buoyancy
especially : capable of floating
2
: being in a happy mood : cheerful
buoyantly adverb

More from Merriam-Webster on buoyant

Nglish: Translation of buoyant for Spanish Speakers

Last Updated: - Updated example sentences
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

More from Merriam-Webster

Word of the Day

Listen to the pronunciation of zeugma

See Definitions and Examples »

Popular in Grammar & Usage

See More

A Who’s Who Regarding ‘Who’s’ and ‘Whose’

7 Pairs of Commonly Confused Words

Is that lie 'bald-faced' or 'bold-faced'?

'A' or 'an'? What about before 'h'? An Indefinite Article Guide

Why is '-ed' sometimes pronounced at the end of a word?
See More

Popular in Wordplay

See More

Words from the 'Odyssey'

The Longest Long Words List

It's a Scorcher! Words for the Summer Heat

The Words of the Week - Aug. 14

12 Lovely and Unusual Words for the Natural World
See More

Popular

See More

A Who’s Who Regarding ‘Who’s’ and ‘Whose’

Words from the 'Odyssey'

The Longest Long Words List
See More

Games & Quizzes

See All
Play Quordle: Guess all four words in a limited number of tries. Each of your guesses must be a real 5-letter word.
Quordle Can you solve 4 words at once?
Play Blossom: Solve today's spelling word game by finding as many words as you can using just 7 letters. Longer words score more points.
Blossom Pick the best words!
Play Missing Letter: a crossword with a twist. Each of the 25 puzzle words start with a different letter of the alphabet. Which letter is missing?
The Missing Letter A daily crossword with a twist
image of a green cube out of place in a lineup of red spheres
Odd Word Out: Synonyms Vol. 2 Quiz Figure out which word isn't like the others.
See All