Thesaurus

Synonyms for Bum include:

bad, base, bum, bush, bush-league, cheap, cheapjack, cheesy, chintzy, coarse, coarsened, commercial, common, crummy, deplorable, execrable, flimsy, inferior, less, low-grade, mediocre, miserable, punk, ropey, ropy, scrawny, scrubby, second-class, second-rate, shoddy, sleazy, stunted, tawdry, third-rate, tinny, utility, utility-grade, woeful, worst, wretched

bum is a ADJ.

arse, as, ass, backside, behind, bottom, bum, buns, butt, buttocks, can, crumb, derriere, dirty dog, do-nothing, fann, fanny, fundament, gi, git, hind end, hindquarters, hobo, idler, keister, layabout, loafer, lowlife, nates, posterior, prat, puke, rat, rear, rear end, rotter, rump, scum bag, seat, skunk, so-and-so, stern, stinker, stinkpot, tail, tail end, tooshie, tramp, tush

bum is a NOUN.

arse about, arse around, bum, bum about, bum around, cadge, frig around, gru, grub, loaf, loll, loll around, lounge abou, lounge about, lounge around, mooch, spong, sponge, waste one's time

bum is a VERB.