47 entries under unclear topic. ×

6
concealed(adjective, evil, obscure, difficult, dark)
6
vague(adjective, obscure, difficult, uncertain, doubtful)
5
baffling(adjective, hard, obscure, difficult, dark)
3
equivocal(adjective, obscure, difficult, dark, strange)
3
indistinct(adjective, uncertain, vague, unintelligibility)
2
hard(adjective, fancy, obscure, difficult, heavy)
2
indefinite(adjective, uncertain, doubtful, vague, intellectual)
2
muddy(adjective, obscure, difficult, uncertain, vague)
2
unintelligible(adjective, hard, obscure, difficult, delicate)
1
clear as dishwater(expression, adjective, obscure, difficult, uncertain)
1
confusing(adjective, hard, uncertain, vague)
1
enigmatical(adjective, hard, obscure, strange, uncertain)
1
tenebrous(adjective, obscure, difficult, strange, uncertain)
0
amphibological(adjective, obscure, difficult, uncertain)
0
doubtful(uncertain, vague)
0
dubious(uncertain, vague)
0
hazy(uncertain, vague)
0
imperceptive(adjective, obscure, difficult, uncertain)
0
inconclusive(uncertain, vague)
0
indeterminate(uncertain, vague, insubstantial, imperceptible)
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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>