Crazy, insane.
A device used to store hats upon, consisting of a vertical pole with a sturdy base to prevent toppling, and an array of pegs to hold the hats.
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.