Not having, showing, or making use of information; not informed

uninformed voters; an uninformed decision.

not informed; lacking in knowledge or information; "the uninformed public"[ant: informed ]

adjective

blind , caught napping , daydreaming , deaf , ignorant , inattentive , in the dark , negligent , not informed , not told , oblivious , out of it , out to lunch , unbriefed , unconscious , uneducated , unenlightened , uninstructed , unknowing , unschooled , innocent , unacquainted , unaware , unfamiliar , unwitting , unadvised