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mad

adjective madder, maddest

  1. mentally ill; insane
  2. wildly excited or disorderly; frenzied; frantic: mad with fear
  3. showing or resulting from lack of reason; foolish and rash; unwise: a mad scheme
  4. blindly and foolishly enthusiastic or fond; infatuated: to be mad about clothes
  5. wildly amusing; hilarious: a mad comedy
  6. having rabies: a mad dog
    1. angry or provoked: often with at
    2. showing or expressing anger

transitive verb, intransitive verb madded, madding

Archaic to madden

noun

an angry or sullen mood or fit

noun

the theory that the possession of equally devastating nuclear weapons by superpowers will deter each from attacking another or its allies

See mad in American Heritage Dictionary 4

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