Synonyms and Antonyms of backside
the part of the body upon which someone sits our backsides were sore after sitting on those hard benches for so long Synonyms buttocks, behind, booty (also bootie) [slang], bottom, breech, bum, buns, butt, caboose, can, cheeks, derriere (or derrière), duff, fanny, fundament, hams, haunches, heinie [slang], hunkers, keister (also keester) [slang], nates, posterior, rear, rear end, rump, seat, tail, tail end, tush [slang]Related Words beam, stern; moon [slang]
Seen and Heard
What made you want to look up backside? Please tell us where you read or heard it (including the quote, if possible).