291 entries under adjective topic. ×

4
preterhuman(superior, outstanding, amazing, best)
4
shadowy(obscure, happy, perfect, dark)
4
unnatural(unusual, strange, odd, secret)
4
unreadable(unfathomable, enigmatic, unintelligible, sphinx-like)
4
unrevealed(obscure, dark, new, deep)
4
unsolvable
4
veiled(obscure, strange, deep, secret)
3
clairvoyant(extraordinary, unusual, wonderful, marvelous)
3
confounding(hard, delicate, complex, tricky)
3
enigmatical(hard, obscure, delicate, solid)
3
fantastic(happy, tender, perfect, superior)
3
haunted(extraordinary, unusual, wonderful, marvelous)
3
illegible
3
involved(hard, obscure, complex, tricky)
3
odd(unusual, strange, peculiar, unexpected)
3
private(obscure, secret, reticent, unknown)
3
problematic
3
psychic(obscure, deep, rational, intellectual)
3
psychical(rational, intellectual, supernatural, mental)
3
secluded(obscure, dark, secret, unknown)
10 years ago|26k views|share |citing 
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>