unknowing

Adjective

• unaware because of a lack of relevant information or knowledge
  • he was completely ignorant of the circumstances
    
  • an unknowledgeable assistant
    
  • his rudeness was unwitting
    

Noun

• ignorance (especially of orthodox beliefs)

Related words

• Synonyms: 
  ignorant , unknowledgeable , unwitting , ignorantness , nescience , unknowingness