verb (used with object)

  1. to anger or infuriate: The delays maddened her.
  2. to make insane.

verb (used without object)

  1. to become mad; act as if mad; rage.


  1. to make or become mad or angry

v.“to drive to distraction,” 1822; earlier “to be mad” (1735), from mad (adj.) + -en (1). Related: Maddened; maddening. The earlier verb was simply mad (early 14c., intransitive; late 14c., transitive), from the adjective.

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