English edit

Alternative forms edit

Etymology edit

Shortened from lunatic, and likely also from loon ("rascal", and also the bird) +‎ -y.

Pronunciation edit

Adjective edit

loony (comparative loonier, superlative looniest)

  1. (informal, offensive, derogatory, of a person) Insane.
  2. (informal, offensive, derogatory, of a thing) Very silly, absurd.

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Noun edit

loony (plural loonies)

  1. (informal, offensive, derogatory) An insane or very foolish person.

Translations edit