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buoyant

buoy·ant

buoyant

 
 
pronunciation:
boI nt
part of speech: adjective
definition 1: able to float or keep something else floating.
Wood is a buoyant substance.Salt water is more buoyant than fresh water.
synonyms:
floatable
similar words:
afloat, floating, light
definition 2: lighthearted or cheerful.
It was the last day of school, and the children were in a buoyant mood.
synonyms:
cheerful, lighthearted, merry
antonyms:
melancholy
similar words:
bright, enthusiastic, gay, glad, happy, jaunty, jolly, lighthearted, robust
derivation: buoyantly (adv.)