maniac

Reading level: hard

Estimated CEFR level: C1 — Advanced

Estimated from word frequency; not an official CEFR classification.

Definition

  1. noun an insane person
  2. noun a person who has an obsession with or excessive enthusiasm for something
  3. adjective wildly disordered

Etymology

From mania + -ac. Borrowed from French maniaque, from Late Latin maniacus, from Ancient Greek μανιακός (maniakós), adjectival form of μανία (manía, “madness”). Compare manic.

In classic literature

Synonyms

lunatic, madman

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