Opacity1. (n.) The state of being opaque; the quality of a body which renders it impervious to the rays of light; want of transparency; opaqueness.
2. (n.) Obscurity; want of clearness.
Thesaurus Entries
abstruseness, adiaphanousness, ambiguity, amorphousness, asininity, blockishness, boobishness, boorishness, bovinity, cloddishness, cloudiness, crassness, crudeness, dark, darkness, denseness, density, dim-wittedness, dimness, doltishness, dull-wittedness, dullardism, dullness, dumbness, duncery, equivocation, fog, fogginess, fuzziness, grossness, hebetude, impenetrability, impermeability, imperviousness to light, indefiniteness, indeterminateness, indistinctness, intransparency, lethargy, loutishness, lumpishness, mist, mistiness, mumbo jumbo, murk, murkiness, mystification, ninnyism, oafdom, oafishness, obfuscation, obscurantism, obscuration, obscurity, obtuseness, opaque, opaqueness, perplexity, reconditeness, roil, roiledness, shapelessness, simpletonianism, slowness, sluggishness, sottishness, stolidity, stupidity, thick-headedness, thick-wittedness, thickness, turbidity, turbidness, unclarity, unclearness, unintelligibility, unplainness, unteachability, vagueness, wrongheadedness, yokelism