ignorant ignorant /ˈɪgnɝənt/

adjective

1. () Uneducated in general; lacking knowledge or sophistication  ( nescient , unlearned , unlettered , ignorant )
   uneducated in general; lacking knowledge or sophistication
    An ignorant man
   an ignorant man
    Nescient of contemporary literature
   nescient of contemporary literature
    An unlearned group incapable of understanding complex issues
   an unlearned group incapable of understanding complex issues
    Exhibiting contempt for his unlettered companions
   exhibiting contempt for his unlettered companions
   
2. () Uneducated in the fundamentals of a given art or branch of learning; lacking knowledge of a specific field  ( ignorant , illiterate )
   uneducated in the fundamentals of a given art or branch of learning; lacking knowledge of a specific field
    She is ignorant of quantum mechanics
   she is ignorant of quantum mechanics
    He is musically illiterate
   he is musically illiterate
   
3. Unaware because of a lack of relevant information or knowledge  ( ignorant , unknowing , unknowledgeable , unwitting )
   unaware because of a lack of relevant information or knowledge
    He was completely ignorant of the circumstances
   he was completely ignorant of the circumstances
    An unknowledgeable assistant
   an unknowledgeable assistant
    His rudeness was unwitting
   his rudeness was unwitting