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


tending to float in a fluid.
capable of keeping a body afloat, as a liquid.
not easily depressed; cheerful.
cheering or invigorating.

Origin of buoyant

First recorded in 1570–80; buoy + -ant
Related forms
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for buoyantly

British Dictionary definitions for buoyantly


/ (ˈbɔɪənt) /


able to float in or rise to the surface of a liquid
(of a liquid or gas) able to keep a body afloat or cause it to rise
cheerful or resilient

Word Origin for buoyant

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

Word Origin and History for buoyantly



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