Mania

Part of speech: noun (n.)

1. Violent derangement of mind; madness; insanity. Cf. Delirium.

2. Excessive or unreasonable desire; insane passion affecting one or many people; as, the tulip mania. Mania a potu Etym: [L.], madness from drinking; delirium tremens.

Synonyms: Insanity; derangement; madness; lunacy; alienation; aberration; delirium; frenzy. See Insanity.