sidesplitting

causing or intended to cause laughter his sidesplitting jokes usually have audiences helpless with laughter Synonyms antic, chucklesome, comedic, comic, comical, droll, farcical, hilarious, humoristic, humorous, hysterical (also hysteric), killing, laughable, ludicrous, ridiculous, riotous, risible, screaming, funny, uproariousRelated Words amusing, diverting, entertaining; clownish, knockabout, slapstick, slapsticky, zany; facetious, flip, flippant, pert, smart, smart-aleck, smart-alecky, snickery; jocular, playful, waggish; campy, jokey (also joky); priceless, rich, whimsical, witty, wry; blithesome, gleeful, jocose, jocund, jolly, jovial, laughing, mad, merry, mirthfulNear Antonyms earnest, grave, no-nonsense, sedate, serious, severe, sober, sobersided, solemn, somber (or sombre), staid, unsmiling, weighty; affecting, moving, poignant, touching, tragic (also tragical); lachrymose, mournful, sad, sorrowful, tearful, woefulAntonyms humorless, lame, unamusing, uncomic, unfunny, unhumorous, unhysterical