knackered

adjective British, informal

1 you look absolutely knackered:

exhausted, tired out, worn out, weary, dog-tired, bone-tired, bone-weary, ready to drop, on one's last legs, asleep on one's feet, drained, fatigued, enervated, debilitated, spent;

jet-lagged;

out of breath, breathless, panting, puffing, puffed, puffed out, puffing and blowing, gasping (for breath);

informal done in, all in, dead on one's feet, beat, dead beat, shattered, bushed, fagged out, knocked out, wiped out, running on empty, zonked out, worn to a frazzle, frazzled, bushwhacked;

British, informal whacked (out), shagged out, jiggered;

Scottish, informal wabbit;

North American, informal pooped, tuckered out, fried, whipped, gassed;

Australian, New Zealand, informal stonkered;

British, vulgar slang buggered;

Australian, New Zealand, vulgar slang rooted;

archaic toilworn;

rare fordone.

▷antonyms fresh as a daisy, raring to go.

2 the computer was knackered:

broken, damaged, faulty, defective, unsound;

not working, not functioning, nonfunctioning, malfunctioning, in disrepair, inoperative, out of order/commission, not in working order, broken-down, out of kilter, down;

informal on the blink, on its last legs, kaput, bust, busted, conked out, acting/playing up, gone haywire, gone phut, finished, done for, wonky, dud, duff;

British, vulgar slang buggered.

▷antonyms working, fixed.