3. (adj)buttocks, nates, arse, butt, backside, bum, buns, can, fundament, hindquarters, hind end, keister, posterior, prat, rear, rear end, rump, stern, seat, tail, tail end, tooshie, tush, bottom, behind, derriere, fanny, ass 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?"
4. (adj)austere, stern of a stern or strict bearing or demeanor; forbidding in aspect "an austere expression"; "a stern face"
5. (adj)grim, inexorable, relentless, stern, unappeasable, unforgiving, unrelenting not to be placated or appeased or moved by entreaty "grim determination"; "grim necessity"; "Russia's final hour, it seemed, approached with inexorable certainty"; "relentless persecution"; "the stern demands of parenthood"
6. (adj)stern, strict, exacting severe and unremitting in making demands "an exacting instructor"; "a stern disciplinarian"; "strict standards"
7. (adj)austere, severe, stark, stern severely simple "a stark interior"
3. stern having a certain hardness or severity of nature, manner, or aspect; hard; severe; rigid; rigorous; austere; fixed; unchanging; unrelenting; hence, serious; resolute; harsh; as, a sternresolve; a stern necessity; a stern heart; a stern gaze; a sterndecree