Synonyms for buoyant Found 3 synonyms across 2 meanings for “buoyant”. tending to float on a liquid or rise in air or gas (adj) floaty characterized by liveliness and lightheartedness (adj) chirpyperky Explore Related Words Rhymes with buoyantSynonyms for floatySynonyms for chirpySynonyms for perky Synonym Finder | Rhyme Finder | Poetry Editor