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Crackpot vs Lunatic - What's the difference?

crackpot | lunatic |

As nouns the difference between crackpot and lunatic

is that crackpot is (informal) an eccentric, crazy or foolish person a kook while lunatic is an insane person.

As adjectives the difference between crackpot and lunatic

is that crackpot is (informal) eccentric or impractical while lunatic is crazed, mad, insane, demented.

crackpot

English

Noun

(en noun)
  • (informal) An eccentric, crazy or foolish person. A kook .
    • Time will tell whether he is a crackpot or a genius for promoting that sort of idea.
  • (informal) Someone addicted to crack cocaine (i.e. a drug addict). See also crackhead.

    • Synonyms

    * crank (UK) * crazy * kook * live one * nut ball * nutbag * nutbar * nutcase * nutter

    Adjective

    (en adjective)
  • (informal) Eccentric or impractical
    • a crackpot idea

    lunatic

    English

    Noun

    (en noun)
  • An insane person.

    • Synonyms

    * (l) * See also

    Adjective

    (en adjective)
  • crazed, mad, insane, demented

    • Synonyms

    * crazed, insane, mad, demented, maniacal, psychotic, crazed; see also