Synonyms|1kAntonyms|192|Broader|16Narrower|19Related|1.2k

291 entries under adjective topic. ×

8
preternatural(superior, unusual, outstanding, amazing)
8
uncertain(dark, uncertain, doubtful, vague)
8
unearthly(superior, strange, outstanding, amazing)
7
covert(quiet, strange, secret, hidden)
7
bizarre(happy, unusual, strange, odd)
7
romantic(happy, unusual, unknown, striking)
7
unexplainable(unfathomable, enigmatic, inexplicable, sphinx-like)
7
unintelligible(hard, obscure, solid, dark)
6
difficult(hard, obscure, strange, complex)
6
queer(unusual, strange, odd, peculiar)
6
transcendental(strange, secret, supernatural, heavenly)
6
unfamiliar(unusual, strange, new, remote)
6
miraculous(superior, unusual, wonderful, outstanding)
6
oracular(dark, strange, uncertain, doubtful)
6
questionable(unusual, strange, uncertain, doubtful)
6
unaccountable(obscure, solid, superior, marvelous)
6
unexplained(strange, new, remote, indefinite)
6
unidentified(strange, new, remote, secret)
6
unknowable(solid, strange, secret, dense)
5
cryptical
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APASmart Define. (2016). mysterious thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/mysterious/thesaurus/synonyms
ChicagoSmart Define. 2016. "mysterious thesaurus" https://smartdefine.org/mysterious/thesaurus/synonyms (accessed September 28, 2026).
HarvardSmart Define 2016, mysterious thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/mysterious/thesaurus/synonyms>.
MLASmart Define. "mysterious thesaurus" 24 February 2016. Web. 28 September 2026. <https://smartdefine.org/mysterious/thesaurus/synonyms>