12
unclear(adjective, clear)
11
vague(adjective, clear, plain, definite, doubtful)
10
opaque(adjective, hard, muddy, clouded)
9
dark(adjective, light, clean, doubtful, ambiguous)
8
cloudy(adjective, good, hazy, darkened)
7
condemn(verb, praise, fail, blame, approve)
7
obscure(adjective, doubtful, ambiguous, cloudy, shadowy)
6
dull(verb, adjective, smart, dirty, active)
6
foggy(adjective, obscure, doubtful, ambiguous, hazy)
6
unintelligible(adjective, doubtful, ambiguous, filled, intelligible)
6
guilty(adjective, doubtful, ambiguous, filled)
5
fuzzy(adjective, doubtful, out, ambiguous, filled)
5
clutter(noun, verb, fail, lose)
4
dim(adjective, doubtful, ambiguous, complicated, indefinite)
4
uncertain(adjective, doubtful, sure, changeable, ambiguous)
4
ambiguous(adjective, plain, doubtful, filled)
4
shadowy(adjective, doubtful, distinct, ambiguous, hazy)
4
amorphous
4
cloud(noun, verb, foggy, obscured)
4
convict(noun, verb, hold)
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APASmart Define. (2016). clear thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/clear/thesaurus/antonyms
ChicagoSmart Define. 2016. "clear thesaurus" https://smartdefine.org/clear/thesaurus/antonyms (accessed September 20, 2026).
HarvardSmart Define 2016, clear thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/clear/thesaurus/antonyms>.
MLASmart Define. "clear thesaurus" 31 March 2016. Web. 20 September 2026. <https://smartdefine.org/clear/thesaurus/antonyms>