opacityEnglishOxford American Thesaurusopacity noun 1 the opacity of water may arise from a variety of materials in suspension: opaqueness, nontransparency, lack of transparency; cloudiness, filminess, haziness, mistiness, blur, blurredness, dirtiness, dinginess, muddiness, griminess, smeariness. ▷antonyms transparency, translucence, clarity. 2 the opacity of much philosophical writing: lack of clarity, obscurity, abstruseness, unclearness, density, impenetrability, enigma, unintelligibility, incomprehensibility, reconditeness. ▷antonyms clarity, limpidity.
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