1. explicit Clear (L. clarus, bright, brilliant) primarily refers to that which shines, and impresses the mind through the eye with a sense of luster or splendor. A substance is said to be clear that offer Synonyms: clear, apparent, intelligible, pellucid, transparent, diaphanous, limpid, perspicuous, unadorned, distinct, lucid, plain, unambiguous, evident, manifest, straightforward, unequivocal, explicit, obvious, translucent, unmistakable Antonyms: ambiguous, dim, foggy, mysterious, opaque, unintelligible, cloudy, dubious, indistinct, obscure, turbid, vague