Ambiguity : the quality of being open to more than one interpretation; inexactness.Clarity : the quality of being coherent and intelligible.Perversity : a deliberate desire to behave in an unreasonable or unacceptable way; contrariness.Rationality : the quality of being based on or in accordance with reason or logic.Certainty : firm conviction that something is the case.Antonym of Ambiguity is Clarity