4
inefficient(adjective, well, incompetent, wasteful, unproductive)
4
lax(adjective, careless, indifferent, sloppy, inattentive)
4
lousy(adjective, bad, nasty, foul, sloppy)
4
nasty(adjective, base, dirty, foul, disgusting)
4
poor(adjective, nasty, base, dirty, shabby)
4
sloppily(adverb, uncleanly, neglectfully)
4
sloven
4
sluttish
4
soiled(adjective, nasty, dirty, foul, sloppy)
4
sooty(adjective, nasty, dirty, foul, sloppy)
4
stained(adjective, nasty, dirty, foul, sloppy)
4
thoughtless(adjective, careless, indifferent, sloppy, inattentive)
4
threadbare(adjective, loose, cheap, tasteless, sloppy)
4
uncombed(adjective, wild, confused, untidy, messy)
4
unfashionable(adjective, unfashionable)
4
unwashed(adjective, nasty, dirty, foul, sloppy)
3
awkward
3
begrimed(adjective, nasty, dirty, foul, sloppy)
3
carelessly(adverb, neglectfully)
3
casual(adjective, careless, inattentive, slipshod, neglectful)
11 years ago|22k views|share |citing 
APASmart Define. (2015). slovenly thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/slovenly/thesaurus/synonyms
ChicagoSmart Define. 2015. "slovenly thesaurus" https://smartdefine.org/slovenly/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2015, slovenly thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/slovenly/thesaurus/synonyms>.
MLASmart Define. "slovenly thesaurus" 13 April 2015. Web. 25 September 2026. <https://smartdefine.org/slovenly/thesaurus/synonyms>