unknowing

adjective

1. ignorant or unaware: unknowing aid to the enemy.

adjective

1. not knowing; ignorant
2. (postpositive often foll by of) without knowledge or unaware (of)

adj.c.1300, “without knowledge, ignorant,” from un- (1) “not” + present participle of know (v.). Noun meaning “ignorance” is mid-14c. Related: Unknowingly.