backside

Meanings

• the side of an object that is opposite its front
• the fleshy part of the human body that you sit on

Synonyms

arse, ass, back end, behind, bottom, bum, buns, butt, buttocks, can, derriere, fanny, fundament, hind end, hindquarters, keister, nates, posterior, prat, rear, rear end, rump, seat, stern, tail, tail end, tooshie, tush