72 entries under dark topic. ×

46
hidden(verb, adjective, close, quiet, show)
25
concealed(adjective, separate, evil, obscure)
25
esoteric(adjective, evil, obscure, property)
22
occult(noun, adjective, evil, obscure)
21
cryptic(adjective, evil, obscure, strange)
16
mysterious(adjective, quiet, evil, obscure)
15
recondite(adjective, evil, obscure, strange)
14
mystic(adjective, hard, evil, obscure)
13
mystical(adjective, evil, obscure, property)
13
unknown(noun, adjective, obscure, superior)
13
unrevealed(noun, adjective, obscure, mysterious)
12
obscure(adjective, quiet, superior, strange)
10
abstruse(adjective, evil, obscure, strange)
7
incomprehensible(adjective, obscure, strange, uncertain)
6
invisible(adjective, obscure, superior, unknown)
5
inscrutable(adjective, strange, uncertain, blank)
3
ambiguous(adjective, obscure, uncertain, mysterious)
3
indecipherable(adjective, uncertain, mysterious, unfathomable)
3
mystifying(adjective, evil, obscure, strange)
3
transcendental(obscure, strange, mysterious, supernatural)
10 years ago|28k views|share |citing 
APASmart Define. (2016). secret thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/secret/thesaurus/synonyms
ChicagoSmart Define. 2016. "secret thesaurus" https://smartdefine.org/secret/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2016, secret thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/secret/thesaurus/synonyms>.
MLASmart Define. "secret thesaurus" 31 March 2016. Web. 24 September 2026. <https://smartdefine.org/secret/thesaurus/synonyms>