134 entries under obscure topic. ×

2
unintelligible(adjective, hard, difficult, delicate)
2
veiled(adjective, strange, deep, mysterious)
1
Daedalean(adjective, hard, fancy, difficult)
1
Delphian(adjective, evil, strange, deep)
1
Gordian(adjective, hard, fancy, difficult)
1
academic(adjective, dull, hard, sound)
1
acroamatic(adjective, hard, difficult, heavy)
1
acute(adjective, sharp, exact, heavy)
1
alchemistic(adjective, dark, strange, odd)
1
bewildering(adjective, hard, difficult, sophisticated)
1
bookish(sound, precise, knowledgeable, cultured)
1
byzantine(adjective, hard, fancy, difficult)
1
clear as dishwater(expression, adjective, difficult, uncertain)
1
cliquish(adjective, esoteric)
1
disguised(secret, unknown, hidden, concealed)
1
enigmatical(adjective, hard, strange, uncertain)
1
formal(adjective, dull, dry, precise)
1
furtive(strange, unknown, clandestine, underground)
1
hairsplitting(sharp, exact, precise, discriminating)
1
hermetical(dark, secret, unknown, hidden)
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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>