291 entries under adjective topic. ×

15
unknown(obscure, dark, secret, hidden)
15
baffling(hard, obscure, delicate, strange)
14
uncanny(superior, unusual, strange, wonderful)
14
inexplicable(hard, obscure, dark, strange)
14
perplexing(hard, obscure, strange, complex)
13
deep(hard, evil, obscure, heavy)
13
unclear(hard, complex, doubtful, vague)
13
weird(obscure, unusual, strange, wonderful)
12
impenetrable(obscure, solid, strange, secret)
11
hidden(hard, evil, obscure, solid)
11
ambiguous(obscure, dark, uncertain, doubtful)
11
cabalistic(knowledge, evil, obscure, solid)
11
vague(obscure, uncertain, doubtful, dubious)
9
profound(hard, obscure, delicate, complex)
9
supernatural(superior, strange, outstanding, marvelous)
8
eerie(obscure, extraordinary, unusual, strange)
8
concealed(evil, obscure, strange, new)
8
confusing(hard, delicate, complex, tricky)
8
equivocal(dark, uncertain, doubtful, vague)
8
magical(obscure, extraordinary, superior, unusual)
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APASmart Define. (2016). mysterious thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/mysterious/thesaurus/synonyms
ChicagoSmart Define. 2016. "mysterious thesaurus" https://smartdefine.org/mysterious/thesaurus/synonyms (accessed September 27, 2026).
HarvardSmart Define 2016, mysterious thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/mysterious/thesaurus/synonyms>.
MLASmart Define. "mysterious thesaurus" 24 February 2016. Web. 27 September 2026. <https://smartdefine.org/mysterious/thesaurus/synonyms>