buoyant

adjective

buoy·​ant ˈbȯi-ənt How to pronounce buoyant (audio)
ˈbü-yənt
Synonyms of buoyantnext
: 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

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.
The black expanse of thin, dense and relatively young basalt from those centers stands in stark contrast to thicker, more buoyant continental crust, which is primarily granite but contains the full gamut of sedimentary, metamorphic, and igneous rocks and can be billions of years old. Evan Howell, Scientific American, 4 Feb. 2026 There are weak patches, but the four actors (Wilde, MVP Seth Rogen, Edward Norton and Penélope Cruz) keep it buoyant, with a crackling energy that makes the endless streams of overlapping talk play like jazz. Richard Lawson, HollywoodReporter, 31 Jan. 2026 As the comedy progresses, its buoyant tone clenches and darkens, and the plot bends and lurches, in ways that, to me, felt unnecessarily punitive toward both Haru and the audience. Justin Chang, New Yorker, 31 Jan. 2026 Here, those influences are worn proudly, ringing out in a buoyant harmonica solo. Spencer Kornhaber, The Atlantic, 29 Jan. 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

Browse Nearby Words

Cite this Entry

“Buoyant.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/buoyant. Accessed 14 Feb. 2026.

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

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