157 entries under adjective topic. ×

10
secret(evil, obscure, dark, strange)
9
dark(feature, obscure, mysterious, hidden)
8
heavy(easy, severe, obscure, slang)
8
abstract(hard, obscure, difficult, complex)
8
mystic(evil, obscure, dark, deep)
8
subtle(hard, sharp, obscure, difficult)
7
mystifying(hard, evil, obscure, strange)
7
opaque(hard, obscure, difficult, uncertain)
6
ambiguous(obscure, strange, uncertain, doubtful)
6
concealed(evil, obscure, difficult, dark)
6
knotty(hard, fancy, evil, obscure)
6
vague(obscure, difficult, uncertain, doubtful)
5
baffling(hard, obscure, difficult, dark)
5
impenetrable(obscure, difficult, strange, deep)
5
inscrutable(obscure, strange, sophisticated, supernatural)
5
mystical(hard, evil, obscure, dark)
4
cabalistic(evil, obscure, strange, deep)
4
fine(exact, discriminating)
4
tricky(hard, difficult, complex, sophisticated)
3
thorny(hard, difficult, delicate, loose)
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APASmart Define. (2015). abstruse thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/abstruse/thesaurus/synonyms
ChicagoSmart Define. 2015. "abstruse thesaurus" https://smartdefine.org/abstruse/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2015, abstruse thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/abstruse/thesaurus/synonyms>.
MLASmart Define. "abstruse thesaurus" 10 April 2015. Web. 25 September 2026. <https://smartdefine.org/abstruse/thesaurus/synonyms>