Synonyms of good-for-nothing

1 Syllable
curs, scamp, roué, roue, cur, tramp, bum
2 Syllables
scoundrels, loafer, rascals, loafers, layabout, slacker, grafter, sloucher, trashy, scoundrel, waster, varmint, grafters, goalless, cardsharp, goof-off, feckless, sponger, spongers, shirker, drossy, slackers, shirkers, trashier, low-rent, worthless, wastrel, no-good, shiftless, rascal, scrapper
3 Syllables
meaningless, avoider, avoiders, slugabed, unworthy, unhelpful, doubletalk, useless, doublespeak, scalawag, do-nothing, beachcomber, no-account, unmeaning, low-grade, second-class, valueless, rapscallion, vagabond
4 Syllables
directionless, unusable, undeserving, unsalable, dissipater, unfunctional, unusuable, purposeless, profligate, motiveless, nonperformer, nonfunctional, unpurposed, undirected, lazybones, inutile, unambitious, low-quality, ne'er-do-well
5 Syllables
underachiever, underachievers