7
unintelligible(adjective, understandable)
6
obscure(adjective, unintelligible)
5
ambiguous(adjective, unintelligible)
4
dark
4
equivocal(adjective, unintelligible)
4
inscrutable(adjective, clear, blank, hidden)
3
cryptic
3
hazy
3
incomprehensible(adjective, understandable)
3
mysterious
3
opaque
2
abstruse
2
confusing(adjective, unintelligible)
2
enigmatic
2
foggy
2
fuzzy
2
impenetrable(adjective, incomprehensible)
2
inarticulate
2
incoherent(adjective, unintelligible)
2
indefinite
<12345…10>
10 years ago|2.3k views|share |citing 
APASmart Define. (2016). intelligible thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/intelligible/thesaurus/antonyms
ChicagoSmart Define. 2016. "intelligible thesaurus" https://smartdefine.org/intelligible/thesaurus/antonyms (accessed September 26, 2026).
HarvardSmart Define 2016, intelligible thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/intelligible/thesaurus/antonyms>.
MLASmart Define. "intelligible thesaurus" 31 March 2016. Web. 26 September 2026. <https://smartdefine.org/intelligible/thesaurus/antonyms>