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mad
1[ mad ]
adjective
- mentally disturbed; deranged; insane; demented.
Synonyms: , , ,
- enraged; greatly provoked or irritated; angry.
Synonyms: , ,
- (of animals)
- abnormally furious; ferocious:
a mad bull.
- affected with rabies; rabid:
a mad dog.
- extremely foolish or unwise; imprudent; irrational:
a mad scheme to invade France.
Synonyms: , , ,
Antonyms: , , ,
- wildly excited or confused; frantic:
mad haste.
Synonyms:
- overcome by desire, eagerness, enthusiasm, etc.; excessively or uncontrollably fond; infatuated:
He's mad about the opera.
- wildly lively and merry; enjoyably hilarious:
to have a mad time at the Mardi Gras.
- (of wind, storms, etc.) furious in violence:
A mad gale swept across the channel.
- Slang. much or many:
Mad props for getting this organization off the ground.
adverb
- Slang. very; extremely:
It's mad hot in this car.
verb (used with object)
- Archaic. to make mad.
verb (used without object)
- Archaic. to be, become, or act mad.
MAD
2[ mad ]
mad.
3abbreviation for
- madam.
mad
1/ æ /
adjective
- mentally deranged; insane
- senseless; foolish
a mad idea
- informal.often foll by at angry; resentful
- foll byabout, on, or over; often postpositive wildly enthusiastic (about) or fond (of)
mad about football
football-mad
- extremely excited or confused; frantic
a mad rush
- temporarily overpowered by violent reactions, emotions, etc
mad with grief
- of animals
- unusually ferocious
a mad buffalo
- afflicted with rabies
- like mad informal.with great energy, enthusiasm, or haste; wildly
- mad as a hattercrazily eccentric
verb
- archaic.to make or become mad; act or cause to act as if mad
MAD
2/ æ /
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
Usage Note
Derived Forms
- ˈ徱, adjective
Other Word Forms
- half-mad adjective
- -· adverb
- -·Ա noun
- ܲ·- adjective
- ܲ·-·ly adverb
- ܲ· adjective
- ܲ··ded adjective
Word History and Origins
Origin of mad1
Word History and Origins
Origin of mad1
Idioms and Phrases
- have a mad on, Informal. 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.
- like mad, Informal. with great haste, impulsiveness, energy, or enthusiasm:
She ran like mad to catch the bus.
- mad as a hatter, completely insane.
More idioms and phrases containing mad
- crazy (mad) about
- drive someone crazy (mad)
- hopping mad
- like crazy (mad)
- stark raving mad
Synonym Study
Example Sentences
Yeah, he was mad, in a rage that turned his face beet red.
“This all could be alcoholic made-up stories. But in prison she wasn’t drinking. It was very consistent, and it never changed…. She was very mad that she got caught. She hated to lose.”
"It was an incredible feeling to score that winner in such an important game, in a game that was full of emotion and the strangest, maddest game I've ever played in or witnessed," said Maguire.
It sounds mad at first, but the more you think about it... why not?
"There is no grand plan or strategic vision, no matter what his advisers claim — only the impulsive actions of a mad king," explained Jamelle Bouie in the New York Times on Wednesday.
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Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
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