Ill-mannered, crude.
Resulting from ignorance; foolish; silly.
Not knowing (a fact or facts), unaware (of something).
Unknowledgeable or uneducated; characterized by ignorance.
One who is ignorant.
denormal
Less than normal.
A person whose abilities are less than normal.
That part of the axis of a curved line which is intercepted between the ordinate and the normal.