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mad
1[ mad ]
adjective
- mentally disturbed; deranged; insane; demented.
- enraged; greatly provoked or irritated; angry.
- (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: unsafe, perilous, dangerous, ill-advised
- wildly excited or confused; frantic:
mad haste.
Synonyms: frenzied
- 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/ mæd /
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/ mæd /
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
- ˈmaddish, adjective
Other Words From
- half-mad adjective
- half-mad·ly adverb
- half-mad·ness noun
- qua·si-mad adjective
- qua·si-mad·ly adverb
- un·mad adjective
- un·mad·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
Tom: Spurs would be absolutely mad to sack Postecoglou under these circumstances - starting the game with the third choice keeper and a decimated back four.
"I think my older son thinks I'm slightly mad," she said.
“It was a blow to see how drastic of an impact paying off large amounts of debt had on our credit scores and made me mad at the system,” said Schulze.
"My family are all Leeds mad. I came out of the womb, and was handed a Leeds United shirt," she told BBC Sport.
That same impact is felt in "Hiss" with lines like "Aye, these h**s don't be mad at Megan/These h**s mad at Megan's Law," which increased awareness around laws protecting abused children.
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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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