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buoyant

[boi-uh nt, boo-yuh nt] /ˈbɔɪ ənt, ˈbu yənt/
adjective
1.
tending to float in a fluid.
2.
capable of keeping a body afloat, as a liquid.
3.
not easily depressed; cheerful.
4.
cheering or invigorating.
Origin of buoyant
1570-1580
First recorded in 1570-80; buoy + -ant
Related forms
buoyantly, adverb
nonbuoyant, adjective
nonbuoyantly, adverb
unbuoyant, adjective
unbuoyantly, adverb
Synonyms
3. happy, lighthearted, breezy, jaunty, sunny.
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2017.
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Examples from the Web for buoyant
Contemporary Examples
Historical Examples
  • I breathed freely, and my form seemed to expand itself with buoyant life.

    Philothea Lydia Maria Child
  • Light and buoyant as the child was, her tightened clasp had begun to tell on him.

    Malbone Thomas Wentworth Higginson
  • It was difficult to remain long angry with so buoyant a nature.

  • Hydrogen is the lightest and consequently the most buoyant of all known gases.

    Flying Machines W.J. Jackman and Thos. H. Russell
  • Nor, as the days went by, did this buoyant happiness ever fail him.

    The Underdog F. Hopkinson Smith
British Dictionary definitions for buoyant

buoyant

/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
Word Origin
C16: probably from Spanish boyante, from boyar to float, from boya buoy, ultimately of Germanic origin
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
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Word Origin and History for buoyant
adj.

1570s, perhaps from Spanish boyante, present participle of boyar "to float," from boya "buoy," from Dutch boei (see buoy (n.)). Of personalities, etc., from c.1748. Related: Buoyantly.

Online Etymology Dictionary, © 2010 Douglas Harper
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Word Value for buoyant

12
14
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