36 entries under dark topic. ×

16
foul(verb, adjective, good, dull, free)
12
filthy(adjective, dull, dirty, uncertain)
8
unclean(adjective, dull, dirty, uncertain)
7
incomplete(adjective, dull, uncertain, slovenly)
7
stained(adjective, dull, uncertain, spotless)
5
polluted(adjective, dull, uncertain, slovenly)
4
besmirched(adjective, dull, uncertain, unpolluted)
4
defiled(verb, adjective, dull, pure)
4
muddy(adjective, cloudy)
4
soiled(adjective, dull, uncertain, slovenly)
4
tainted(verb, adjective, dull, pure)
4
tarnished(adjective, dull, uncertain, slovenly)
4
unchaste(noun, adjective, dull, uncertain)
3
corrupt(verb, adjective, good, dull, help)
3
adulterated(adjective, dull, uncertain, slovenly)
3
cluttered(adjective, dull, uncertain, slovenly)
3
muddled(adjective, dull, uncertain, slovenly)
3
uncertain(adjective, dull, slovenly)
3
unsterile(adjective, dull, uncertain, slovenly)
3
untidy(adjective, dull, dirty, uncertain)
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APASmart Define. (2016). clean thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/clean/thesaurus/antonyms
ChicagoSmart Define. 2016. "clean thesaurus" https://smartdefine.org/clean/thesaurus/antonyms (accessed September 24, 2026).
HarvardSmart Define 2016, clean thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/clean/thesaurus/antonyms>.
MLASmart Define. "clean thesaurus" 29 March 2016. Web. 24 September 2026. <https://smartdefine.org/clean/thesaurus/antonyms>