Pronunciation

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Singular
crackpot

Plural
crackpots

  1. (informal) A crackpot is someone that is crazy and foolish, someone that is eccentric.
    That person must be a crackpot for giving an idea that does not work!
  2. (informal) A crackpot refers to a person that is addicted to crack cocaine. A crackpot is a drug addict.

Adjective

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Positive
crackpot

Comparative
more crackpot

Superlative
most crackpot

  1. When something is crackpot, it is crazy and foolish.
    This is such a crackpot idea. It is not possible for it to work in real life.