Mad (noun) Definition, Meaning & Examples

adjective, comparative mad·der [mad-er], /ˈmæd ər/, superlative mad·dest [mad-ist]. /ˈmæd ɪst/.
  1. mentally disturbed; deranged; insane; demented.
  2. enraged; greatly provoked or irritated; angry.
  3. (of animals)
    • abnormally furious; ferocious: a mad bull.
    • affected with rabies; rabid: a mad dog.
  4. extremely foolish or unwise; imprudent; irrational: a mad scheme to invade France.
  5. wildly excited or confused; frantic: mad haste.
  6. overcome by desire, eagerness, enthusiasm, etc.; excessively or uncontrollably fond; infatuated: He's mad about the opera.
  7. wildly lively and merry; enjoyably hilarious: to have a mad time at the Mardi Gras.
  8. (of wind, storms, etc.) furious in violence: A mad gale swept across the channel.
  9. much or many: Mad props for getting this organization off the ground.
adverb
  1. very; extremely:It's mad hot in this car.
verb (used with object), mad·ded, mad·ding.
  1. to make mad.
verb (used without object), mad·ded, mad·ding.
  1. to be, become, or act mad.
Idioms
  1. with great haste, impulsiveness, energy, or enthusiasm: She ran like mad to catch the bus.
  2. completely insane.
  3. to be angry for a period of time; be in a bad mood: The last time he had a mad on, it lasted for days.
noun
  1. Mutual Assured Destruction.
abbreviation
  1. madam.
adjective madder or maddest
  1. mentally deranged; insane
  2. senseless; foolish
  3. angry; resentful
  4. wildly enthusiastic (about) or fond (of)
  5. extremely excited or confused; frantic
  6. temporarily overpowered by violent reactions, emotions, etc
  7. (of animals)
    • unusually ferocious
    • afflicted with rabies
  8. with great energy, enthusiasm, or haste; wildly
  9. crazily eccentric
verb mads, madding or madded
  1. to make or become mad; act or cause to act as if mad
n acronym for US
  1. mutual assured destruction: a theory of nuclear deterrence whereby each side in a conflict has the capacity to destroy the other in retaliation for a nuclear attack
Mad (noun) Definition, Meaning & Examples

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