Meaning & Definition
noun
A person who is eccentric or considered to be crazy, especially one with bizarre ideas.
The inventor has been labeled a crackpot for his outlandish theories about time travel.
A person whose ideas or plans are thought to be strange or impractical.
Many dismissed her plans to build a floating city as the musings of a crackpot.
An individual who is perceived as mentally unstable or irrational.
After talking to him for just a few minutes, I could see he was a bit of a crackpot.
Etymology
The term 'crackpot' originated in the early 20th century, combining 'crack', meaning crazy or foolish, with 'pot', possibly referring to a person's mind as a vessel.
Common Phrases and Expressions
crackpot idea:
An idea that is considered absurd or foolish.
crackpot theory:
A theory that lacks scientific credibility.
Slang Meanings
A weirdo
That guy is such a crackpot, always talking about conspiracy theories.
Someone who has bizarre beliefs
She thinks that aliens are among us; what a total crackpot!