Englishrear2
noun
1 a door at the rear of the building:
back, back part, hind part, back end, other end;
Anatomy occiput;
Nautical stern.
▷antonyms front.
2 Sophie and I brought up the rear of the line:
end, tail end, rear end, back end, tail;
North American tag end;
Nautical aft, after.
▷antonyms front, vanguard; bow.
3 he slapped her on the rear:
buttocks, backside, behind, bottom, rear end, rump, seat, haunches, hindquarters, cheeks;
French derrière;
German 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;
humorous posterior, fundament;
British, vulgar slang arse, clunge;
North American, vulgar slang ass;
technical nates.