Synonyms|495Antonyms|101|Broader|7Narrower|8Related|1k
2
inconclusive(obscure, uncertain, vague, unclear, indefinite)
2
inexplicit(adjective, obscure, uncertain, vague, unclear)
2
insoluble
2
labyrinthine(adjective, hard, obscure, sophisticated, tricky)
2
multivocal(uncertain, vague, unclear)
2
murky
2
nebulous(unclear, indistinct, indistinguishable)
2
polysemous(uncertain, vague, unclear)
2
rare
2
secretive(adjective, strange, mysterious, private, reticent)
2
spooky
2
subtle(adjective, hard, sharp, obscure, exact)
2
tangled(adjective, hard, obscure, sophisticated, tricky)
2
thorny(hard, tricky, complicated)
2
tricky(adjective, hard, complicated, sticky, challenging)
2
twisted
2
unaccountable(adjective, obscure, solid, doubtful, vague)
2
uncomprehensible(adjective, incomprehensible)
2
undecipherable
2
under wraps(expression, cover, obscure, dark, equivocal)
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ChicagoSmart Define. 2016. "enigmatic thesaurus" https://smartdefine.org/enigmatic/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2016, enigmatic thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/enigmatic/thesaurus/synonyms>.
MLASmart Define. "enigmatic thesaurus" 29 March 2016. Web. 24 September 2026. <https://smartdefine.org/enigmatic/thesaurus/synonyms>