WordNet (r) 3.0 (2006):
unknowing adj 1: unaware because of a lack of relevant information or knowledge; "he was completely ignorant of the circumstances"; "an unknowledgeable assistant"; "his rudeness was unwitting" [syn: ignorant, unknowledgeable, unknowing, unwitting] n 1: ignorance (especially of orthodox beliefs) [syn: ignorantness, nescience, unknowing, unknowingness]