125 entries under obscure topic. ×

5
uncertain(adjective, rough, difficult, dark)
4
foggy(adjective, rough, vague, inexact)
4
amorphous(adjective, unclear, indistinct, indistinguishable)
4
cloudy(adjective, rough, vague, unclear)
4
imprecise(adjective, rough, uncertain, vague)
3
baffling(adjective, hard, difficult, solid)
3
cryptic(adjective, difficult, dark, uncertain)
3
dim(adjective, weak, rough, dark)
3
enigmatical(adjective, hard, delicate, solid)
3
formless(adjective, unclear, indistinct, indistinguishable)
3
inexplicit(adjective, uncertain, vague, ambiguous)
3
invisible(dark, superior, mysterious, supernatural)
3
muddy(adjective, uncertain, vague, unclear)
3
perplexing(adjective, hard, rough, difficult)
3
secret(adjective, dark, superior, uncertain)
3
shadowy(adjective, weak, rough, dark)
3
unexplainable(adjective, strange, odd, mysterious)
2
abstruse(adjective, hard, difficult, delicate)
2
amphibological(adjective, rough, difficult, uncertain)
2
deep(adjective, hard, delicate, complex)
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APASmart Define. (2016). unintelligible thesaurus. Retrieved October 1, 2026, from https://smartdefine.org/unintelligible/thesaurus/synonyms
ChicagoSmart Define. 2016. "unintelligible thesaurus" https://smartdefine.org/unintelligible/thesaurus/synonyms (accessed October 1, 2026).
HarvardSmart Define 2016, unintelligible thesaurus, Smart Define, viewed 1 October, 2026, <https://smartdefine.org/unintelligible/thesaurus/synonyms>.
MLASmart Define. "unintelligible thesaurus" 30 March 2016. Web. 1 October 2026. <https://smartdefine.org/unintelligible/thesaurus/synonyms>