1. having knowledge of; "he had no awareness of his mistakes"; "his sudden consciousness of the problem he faced"; "their intelligence and general knowingness was impressive" (synonym) consciousness, cognizance, cognisance, knowingness (hypernym) knowing (hyponym) self-awareness (attribute) aware(p) 2. state of elementary or undifferentiated consciousness; "the crash intruded on his awareness" (synonym) sentience (hypernym) consciousness