posterior

1 being at or in the part of something opposite the front part the chapel's posterior location in the church serves to make it a quiet retreat Synonyms aft, after, hind, hinder, hindmost, back, rear, rearwardRelated Words dorsalNear Antonyms ventralAntonyms anterior, fore, forward, front, frontal

2 being, occurring, or carried out at a time after something else artifacts dating from a posterior historical period Synonyms after, ensuing, later, subsequentRelated Words behind, belated, delayed, late, slow; closing, concluding, eventual, final, last, latest, latter, terminal, ultimate; followingNear Antonyms advance, advanced, early, prematureAntonyms antecedent, anterior, fore, foregoing, former, precedent, preceding, previous, prior

the part of the body upon which someone sits the baseball players were always slapping one another on the posterior Synonyms backside, 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, buttocks, rear, rear end, rump, seat, tail, tail end, tush [slang]Related Words beam, stern; moon [slang]