posterior meaning and definition

POSTERIOR noun

Definition of posterior (noun)

1. the fleshy part of the human body that you sit on
   • "he deserves a good kick in the butt"; "are you going to sit on your fanny and do nothing?"
   • synonyms: arse, ass, backside, behind, bottom, bum, buns, butt, buttocks, can, derriere, fanny, fundament, hind end, hindquarters, keister, nates, prat, rear, rear end, rump, seat, stern, tail, tail end, tooshie, tush
2. a tooth situated at the back of the mouth
   • synonyms: back tooth

POSTERIOR adjective

Definition of posterior (adjective)

1. located at or near or behind a part or near the end of a structure
   • antonym: anterior
2. coming at a subsequent time or stage
   • "without ulterior argument"; "the mood posterior to"
   • synonyms: later, ulterior