Synonyms of slovenly

1 Syllable
mung, slack
2 Syllables
tackier, slummier, sordid, frumpy, soily, sloppy, heedless, unkempt, squalid, filthy, seedier, slapdash, raunchy, dingy, dirtier, discinct, dowdy, messiest, frowzy, scruffier, tacky, lousy, filthier, messier, unswept, dirty, sloppier, filthiest, dirtiest, loose, dungy, straggly, dreggy, dowdier, grubbier, munger, pigpen, grody, slumer, mussier, scruffy, mussy, botched, unclean, seedy, lousier, sleazy, slummy, grungy, icky, slipshod, messy, grubby, blowzy, messer, unneat
3 Syllables
unthorough, negligent, bedraggled, out-of-step, out-of-whack, verminous, untidy, careless
4 Syllables
perfunctory, disheveled, down-at-the-heel, topsy-turvy, unfastidious, disorderly, out-of-control, unlaundered, improficient, inefficient, unorderly
5 Syllables
unworkmanlike, unsystematic