1. frolicsome Aerial and airy both signify of or belonging to the air, but airy also describes that which seems as if made of air; we speak of airy shapes, airy nothings, where we could not well say aer Synonyms: airy, aerial, ethereal, frolicsome, joyous, lively, animated, fairylike, gay, light, sprightly Antonyms: clumsy, heavy, ponderous, sluggish, wooden, dull, inert, slow, stony