mad definition, mad meaning | English dictionary

Search also in: Web News Encyclopedia Images
Collins

mad

  

      adj   , madder, maddest  
1    mentally deranged; insane  
2    senseless; foolish  
a mad idea     
3    often foll by: at  
Informal   angry; resentful  
4    foll by: about, on, or over; often postpositive   wildly enthusiastic (about) or fond (of)  
mad about football, football-mad     
5    extremely excited or confused; frantic  
a mad rush     
6    temporarily overpowered by violent reactions, emotions, etc.  
mad with grief     
7      (of animals)  
a    unusually ferocious  
a mad buffalo     
b    afflicted with rabies  
8    like mad  
Informal   with great energy, enthusiasm, or haste; wildly  
9    mad as a hatter   crazily eccentric  
      vb   , mads, madding, madded  
10      (U.S., or)   † † to make or become mad; act or cause to act as if mad  
     (Old English gemæded, past participle of gemædan to render insane; related to gemad insane, and to Old High German gimeit silly, crazy, Old Norse meitha to hurt, damage)  
  maddish      adj  


MAD  
      n     (U.S.)  
      acronym for   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 cow disease  
      n      an informal name for       BSE  
English Collins Dictionary - English Definition & Thesaurus  
Collins
MAD  
      n     (U.S.)  
      acronym for   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  
      adj   , madder, maddest  
1    mentally deranged; insane  
2    senseless; foolish  
a mad idea     
3    often foll by: at  
Informal   angry; resentful  
4    foll by: about, on, or over; often postpositive   wildly enthusiastic (about) or fond (of)  
mad about football, football-mad     
5    extremely excited or confused; frantic  
a mad rush     
6    temporarily overpowered by violent reactions, emotions, etc.  
mad with grief     
7      (of animals)  
a    unusually ferocious  
a mad buffalo     
b    afflicted with rabies  
8    like mad  
Informal   with great energy, enthusiasm, or haste; wildly  
9    mad as a hatter   crazily eccentric  
      vb   , mads, madding, madded  
10      (U.S., or)   † † to make or become mad; act or cause to act as if mad  
     (Old English gemæded, past participle of gemædan to render insane; related to gemad insane, and to Old High German gimeit silly, crazy, Old Norse meitha to hurt, damage)  
  maddish      adj  
mad cow disease  
      n      an informal name for       BSE  

English Collins Dictionary - English Definition & Thesaurus  

Collins

mad

  
1    aberrant, as daft as a brush     (informal, chiefly Brit.)   bananas     (slang)   barking     (slang)   barking mad     (slang)   barmy     (slang)   batty     (slang)   bonkers     (slang, chiefly Brit.)   crackers     (Brit. slang)   crackpot     (informal)   crazed, crazy     (informal)   cuckoo     (informal)   delirious, demented, deranged, distracted, doolally     (slang)   flaky     (U.S. slang)   frantic, frenzied, gonzo     (slang)   insane, loony     (slang)   loopy     (informal)   lost one's marbles     (informal)   lunatic, mental     (slang)   non compos mentis, not right in the head, not the full shilling     (informal)   nuts     (slang)   nutty     (slang)   off one's chump     (slang)   off one's head     (slang)   off one's nut     (slang)   off one's rocker     (slang)   off one's trolley     (slang)   of unsound mind, out of one's mind, out to lunch     (informal)   psychotic, rabid, raving, round the bend     (Brit. slang)   round the twist     (Brit. slang)   screwy     (informal)   unbalanced, unhinged, unstable, up the pole     (informal)   wacko or whacko     (informal)  
2    absurd, as daft as a brush     (informal, chiefly Brit.)   asinine, daft     (informal)   foolhardy, foolish, imprudent, inane, irrational, ludicrous, nonsensical, preposterous, senseless, unreasonable, unsafe, unsound, wild  
3      (informal)   angry, ape     (slang)   apeshit     (slang)   berserk, choked, cross, enraged, exasperated, fit to be tied     (slang)   fuming, furious, in a wax     (informal, chiefly Brit.)   incensed, infuriated, irate, irritated, livid     (informal)   raging, resentful, seeing red     (informal)   wild, wrathful  
4    ardent, avid, crazy, daft     (informal)   devoted, dotty     (slang, chiefly Brit.)   enamoured, enthusiastic, fanatical, fond, hooked, impassioned, infatuated, in love with, keen, nuts     (slang)   wild, zealous  
5    abandoned, agitated, boisterous, ebullient, energetic, excited, frenetic, frenzied, full-on     (informal)   gay, riotous, uncontrolled, unrestrained, wild  
6    like mad        (informal)   energetically, enthusiastically, excitedly, furiously, hell for leather, like greased lightning     (informal)   like lightning, like nobody's business     (informal)   like the clappers     (Brit. informal)   madly, quickly, rapidly, speedily, unrestrainedly, violently, wildly, with might and main  
  
Antonyms     
   appeased, calm, composed, cool, mollified, nonchalant, rational, sane, sensible, sound, uncaring  

English Collins Dictionary - English synonyms & Thesaurus  

Collaborative Dictionary     English Definition
id.
go mad; become extremely and uncontrollably angry, often to the point of violence
[Slang];[US];[Fam.] Derives from a series of incidents from 1986 onward in which US Postal Service workers shot and killed managers, fellow workers, and members of the police or general public in acts of mass murder.
To add entries to your own vocabulary, become a member of Reverso community or login if you are already a member. It's easy and only takes a few seconds:
Or sign up in the traditional way

Advertising