ignorant |ˈignərənt|
adjective
lacking knowledge or awareness in general; uneducated or unsophisticated : he was told constantly that he was ignorant and stupid.
• [ predic. ] lacking knowledge, information, or awareness about something in particular : they were ignorant of astronomy.
• informal discourteous or rude : this ignorant, pin-brained receptionist.
• black English easily angered : I is an ignorant man—even police don't meddle with me.