unaware
adjective
the President was unaware of what was going on:
ignorant, unknowing, unconscious, heedless, unmindful, oblivious, unsuspecting, uninformed, unenlightened, unwitting, innocent, inattentive, unobservant, unperceptive, unresponsive, blind, deaf, insensible, insensitive;
informal in the dark;
rare incognizant, nescient.
▷antonyms aware, conscious.
unaware Oxford Dictionary of English