Synonyms|540Antonyms|121|Broader|7Narrower|4Related|1.1k

134 entries under obscure topic. ×

1
shrouded(adjective, secret, unknown, hidden)
1
sophisticated(adjective, hard, fancy, difficult)
1
strange(unknown, clandestine, underground, undisclosed)
1
tenebrous(adjective, difficult, strange, uncertain)
1
tortuous(adjective, difficult, complex, sophisticated)
1
undetected(dark, secret, unknown, hidden)
1
undisclosed(dark, secret, unknown, hidden)
1
unearthly(deep, mysterious, abstract, theoretical)
1
unexposed(dark, secret, unknown, hidden)
1
unrevealed(dark, deep, mysterious, unknown)
1
unseen(dark, secret, unknown, hidden)
1
weird(strange, deep, mysterious, unknown)
1
withheld(dark, secret, unknown, hidden)
0
amphibological(adjective, difficult, uncertain, unclear)
0
arid(adjective, dull, dry, precise)
0
backdoor(unknown, clandestine, underground, undisclosed)
0
camouflaged(unknown, clandestine, underground, undisclosed)
0
classified(unknown, clandestine, underground, undisclosed)
0
cloak-and-dagger(unknown, clandestine, underground, undisclosed)
0
cloak and dagger(expression, idiom, unknown, unrevealed)
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APASmart Define. (2015). abstruse thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/abstruse/thesaurus/synonyms
ChicagoSmart Define. 2015. "abstruse thesaurus" https://smartdefine.org/abstruse/thesaurus/synonyms (accessed September 29, 2026).
HarvardSmart Define 2015, abstruse thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/abstruse/thesaurus/synonyms>.
MLASmart Define. "abstruse thesaurus" 10 April 2015. Web. 29 September 2026. <https://smartdefine.org/abstruse/thesaurus/synonyms>