clueless

not informed about or aware of something <television producers who seem utterly clueless about the concerns and interests of today's teenagers> Synonyms ignorant, incognizant, innocent, insensible, nescient, oblivious, unacquainted, unaware, unconscious, uninformed, unknowing, unmindful, unwittingRelated Words uneducated, unschooled, untaught; absent, absentminded, abstracted, heedless, inattentive, inconscientNear Antonyms au courant, hip, plugged-in, up-to-date; educated, knowledgeable, schooled, taught; heedful, observant; sensitive, sentientAntonyms acquainted, aware, cognizant, conscious, conversant, grounded, informed, knowing, mindful, witting