stupidity, arrogance, cluelessness, idiocy, ignorant, unawareness, indifference, obtuseness, obliviousness, naivete, more...

knowledge, awareness, enlightenment, education, understanding

willful, stupidity, more...

own, complete, total, such, utter, general, gross, profound, human, sheer, entire

not knowing,   lack of knowledge,   lack of awareness,   lack of information,   no knowledge,   lack of recognition,   non understanding,   knowing nothing,   little knowledge,   no understanding