List of crummy synonyms and crummy related words.
abject, abominable, arrant, atrocious, barfy, base, beggarly, beneath contempt, bum, cheap, cheesy, common, contemptible, crappy, creepy, debased, degraded, depraved, despicable, dirty, disgusting, execrable, flagrant, foul, fulsome, gaudy, gimcracky, godawful, goshawful, grave, grim, gross, hairy, heinous, icky, little, low, low-down, lumpen, mangy, mean, measly, meretricious, miserable, monstrous, nefarious, obnoxious, odious, paltry, pathetic, petty, pitiable, pitiful, poky, poor, punk, putrid, rank, reptilian, rubbishy, sad, scabby, scrubby, scruffy, scummy, scurvy, scuzzy, shabby, shitty, shoddy, small, sorry, squalid, stinking, stinky, trashy, trumpery, two-for-a-cent, two-for-a-penny, twopenny, twopenny-halfpenny, unmentionable, valueless, vile, vomity, worthless, wretched, yecchy