52 entries under mysterious topic. ×

15
immoral(adjective, feature, description, evil, characteristic)
15
mystic(adjective, obscure, secret, unknown)
15
unenlightened(adjective, feature, description, characteristics, person)
15
wicked(adjective, feature, description, evil, characteristic)
14
incomprehensible(adjective, feature, characteristic, obscure)
12
frowning(adjective, characteristic, character, behaviour, personality)
12
inscrutable(adjective, feature, obscure, characteristic)
12
sinful(adjective, feature, description, evil, characteristic)
11
forbidding(adjective, feature, character, description, behaviour)
10
desolate(adjective, dull, bad, light, low)
9
sulky(adjective, character, sadness, gloom, behaviour)
9
abstruse(adjective, feature, characteristic, description, light)
9
cabalistic(adjective, evil, obscure, solid, strange)
9
corrupt(adjective, evil, threatening, sordid)
8
puzzling(adjective, secret, characteristic, light, shade)
8
scowling(adjective, character, behaviour, personality, upset)
7
hellish(adjective, evil, threatening, nefarious)
7
mystical(adjective, hard, evil, obscure, strange)
5
clandestine(adjective, feature, characteristic, obscure, description)
5
covert(adjective, feature, characteristic, obscure, description)
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APASmart Define. (2016). dark thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/dark/thesaurus/synonyms
ChicagoSmart Define. 2016. "dark thesaurus" https://smartdefine.org/dark/thesaurus/synonyms (accessed September 28, 2026).
HarvardSmart Define 2016, dark thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/dark/thesaurus/synonyms>.
MLASmart Define. "dark thesaurus" 3 April 2016. Web. 28 September 2026. <https://smartdefine.org/dark/thesaurus/synonyms>