30
opaque(adjective, muddy, clouded)
12
cloudy
6
unclear
4
hazy
4
dark
4
dull
3
impenetrable
3
sly
3
diplomatic
2
indistinct
2
indefinite
2
indiscernible
2
deep
2
designing
2
furtive
2
gloomy
2
hidden
2
illegible
2
imprecise
2
incoherent
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APASmart Define. (2016). transparent thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/transparent/thesaurus/antonyms
ChicagoSmart Define. 2016. "transparent thesaurus" https://smartdefine.org/transparent/thesaurus/antonyms (accessed September 23, 2026).
HarvardSmart Define 2016, transparent thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/transparent/thesaurus/antonyms>.
MLASmart Define. "transparent thesaurus" 31 March 2016. Web. 23 September 2026. <https://smartdefine.org/transparent/thesaurus/antonyms>