48 entries under nefarious topic. ×

28
enigmatic(adjective, hard, knowledge, evil, obscure)
27
mysterious(adjective, hard, knowledge, evil, obscure)
24
mystifying(adjective, hard, knowledge, evil, obscure)
17
abstruse(adjective, hard, fancy, evil, obscure)
15
cryptic(adjective, knowledge, evil, obscure, difficult)
11
intricate(adjective, hard, fancy, evil, obscure)
9
knotty(adjective, hard, fancy, evil, obscure)
8
arcane(adjective, knowledge, evil, obscure, dark)
8
complicated(adjective, hard, evil, obscure, difficult)
8
dark(adjective, hard, evil, obscure, rough)
8
recondite(adjective, hard, fancy, evil, obscure)
6
occult(adjective, knowledge, evil, obscure, dark)
4
esoteric(adjective, hard, evil, obscure, heavy)
3
deep(adjective, hard, evil, obscure, delicate)
3
mystic(adjective, knowledge, evil, obscure, strange)
2
cabalistic(adjective, knowledge, evil, obscure, dark)
2
hidden(adjective, hard, evil, obscure, difficult)
2
mystical(adjective, hard, knowledge, evil, obscure)
1
Delphian(adjective, evil, obscure, dark, uncertain)
1
concealed(adjective, evil, obscure, dark, strange)
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APASmart Define. (2015). puzzling thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/puzzling/thesaurus/synonyms
ChicagoSmart Define. 2015. "puzzling thesaurus" https://smartdefine.org/puzzling/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2015, puzzling thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/puzzling/thesaurus/synonyms>.
MLASmart Define. "puzzling thesaurus" 13 April 2015. Web. 20 September 2026. <https://smartdefine.org/puzzling/thesaurus/synonyms>