Definitions

1. noun

A person who holds eccentric or unorthodox views, often enthusiastically, but lacking in sound judgment or good sense.

“He’s a bit of a crackpot, but his theories are actually quite interesting.”

2. noun

A person who is considered to be mentally unstable or eccentric, often in a way that is perceived as amusing or entertaining.

“The eccentric millionaire was a crackpot in the eyes of the press.”

3. verb

To praise or advocate for something enthusiastically, often to the point of being considered absurd or irrational.

“The politician cracked up the crowd with his passionate speech, but critics labeled him a crackpot.”