Crazy
Part of speech: adjective
Definition: insane, demented out of control overly excited or enthusiastic filled with foolish or unreasoned affection
Part of speech: adverb
Definition: Very, extremely.
Part of speech: noun
Definition: an insane or eccentric person; a crackpot
Example sentence: Some people hear their own inner voices with great clearness. And they live by what they hear. Such people become crazy... or they become legend.
Screwball
Part of speech: adjective
Definition: Crazy, offbeat, bizarre, zany, or weird.
Part of speech: noun
Definition: A pitch thrown with added pressure by the index finger and a twisting wrist motion resulting in a motion to the right when thrown by a right-handed pitcher.One who behaves in a crazy or screwball manner.