clearness or lucidity as to perception or understanding; freedom from indistinctness or ambiguity.

the state or quality of being clear or transparent to the eye; pellucidity

the clarity of pure water.

noun

dirtiness , obscurity , unintelligiblity

noun

accuracy , articulateness , brightness , certainty , cognizability , comprehensibility , conspicuousness , decipherability , definition , directness , distinctness , evidence , exactitude , exactness , explicability , explicitness , intelligibility , legibility , limpidity , limpidness , lucidity , manifestness , obviousness , openness , overtness , palpability , penetrability , perceptibility , perspicuity , plainness , precision , prominence , purity , salience , simplicity , tangibility , transparency , unambiguity , unmistakability , cleanliness , cleanness , pureness , taintlessness , clearness , lucidness , pellucidity , pellucidness , perspicuousness , brilliance , literacy , radiance