Unknowledgeable or uneducated; characterized by ignorance.
Ill-mannered, crude.
Resulting from ignorance; foolish; silly.
Not knowing (a fact or facts), unaware (of something).
One who is ignorant.
Lacking personal depth and substance; conceited, vain, shallow, superficial.
Having length, but no width, height or depth.
Lacking depth or believability; flat.