(a.) Not knowing; unconscious; ignorant.

a stranger to asleep automatic blind blind to caught napping compulsive conditioned dead to deaf to forced impercipient impulsive in ignorance of incognizant insensible insensible to instinctive involuntary mechanical mindless napping nonconceiving not with it oblivious out of it reflex reflexive unacquainted unaware unaware of unconscious unconscious of undesigned unfamiliar unguarded unguided unhearing uninformed uninsightful uninstructed unintended unintentional unknowing unmeant unmeditated unmindful unmindful of unperceiving unplanned unprehensive unpremeditated unprompted unpurposed unrealizing unseeing unsuspecting unthinking unthought-of unwilled unwilling witless