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Synonyms

buoyant

American  
[boi-uhnt, boo-yuhnt] / ˈbɔɪ ənt, ˈbu jənt /

adjective

  1. tending to float in a fluid.

  2. capable of keeping a body afloat, as a liquid.

  3. not easily depressed; cheerful.

    Synonyms:
    sunny, jaunty, breezy, lighthearted, happy
  4. cheering or invigorating.


buoyant British  
/ ˈbɔɪənt /

adjective

  1. able to float in or rise to the surface of a liquid

  2. (of a liquid or gas) able to keep a body afloat or cause it to rise

  3. cheerful or resilient

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Other Word Forms


Etymology

Origin of buoyant

First recorded in 1570–80; buoy + -ant


Explanation

Something that is buoyant floats in water. Since floating is happier than sinking, buoyant also refers to things are fun and upbeat. Someone with a buoyant personality is fun to be around, laughs a lot, smiles, and cheers other people up. Buoyant people are lively and lighthearted — the opposite of sad, depressed, and bummed out. Buoyant people are also called bubbly and cheerful, and it should help to remember that buoyant objects float — just like a buoyant person can seem like they're floating too (as in the expression "floating on air").

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Vocabulary lists containing buoyant

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

Their British approach to R&B prized tightness, clarity, and buoyant precision over the loose, improvisational grit often associated with American soul.

From Salon ● Sep. 28, 2026

Pilots could vent buoyant gas, release water carried for ballast or adjust the angle of elevators on the tail, which operated like those on an airplane.

From The Wall Street Journal ● Sep. 18, 2026

While economic activity has remained buoyant in the face of the war and tariffs, he said, “the economy is not invulnerable.”

From MarketWatch ● Sep. 14, 2026

“The Whale” is subtler on stage than it is on screen; its metaphors work better in the theater’s buoyant atmosphere for which they were conceived.

From Los Angeles Times ● Sep. 9, 2026

For the rest of that week, I felt strangely buoyant.

From "Made You Up" by Francesca Zappia

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