Synonyms of posterior in English:

posterior


See definition of posterior

adjective

1‘the posterior part of the skull’

SYNONYMS
rear, hind, back, hinder, rearward
technical dorsal, caudal, posticous
ANTONYMS

anterior, front

2‘a date posterior to the first Reform Bill’

SYNONYMS
later than, subsequent to, following, succeeding, after
ANTONYMS

previous


noun

1‘I need to get my plump posterior to the gym’

SYNONYMS
buttocks, bottom, behind, backside, rear, rear end, rump, seat, haunches, hindquarters, cheeks
derrière
Sitzfleisch
informal sit-upon, stern, BTM, tochus, rusty dusty
British informal bum, botty, prat, jacksie
Scottish informal bahookie
North American informal butt, fanny, tush, tushie, tail, duff, buns, booty, caboose, heinie, patootie, keister, tuchis, bazoo, bippy
West Indian informal batty, rass
British vulgar slang arse, clunge
North American vulgar slang ass
technical nates
humorous fundament
archaic breech