\ ˈmad How to pronounce mad (audio) \
madder; maddest

Definition of mad

 (Entry 1 of 5)

1 : arising from, indicative of, or marked by mental disorder not used technically
2a : completely unrestrained by reason and judgment : unable to think in a clear or sensible way driven mad by the pain mad with jealousy
b : incapable of being explained or accounted for a mad decision
3 informal : intensely angry or displeased What are you so mad about? Everyone was mad about the delay. That kind of behavior really gets me mad. I'm so mad I could spit.
4 : carried away by enthusiasm or desire : extremely or excessively fond of or enthusiastic about something or someone mad about horses … there is a nouveau riche demographic mad for diamonds and Lamborghinis …— Kevin D. Williamson often used in combinationtrivia known to only the most movie-mad film buffsa power-mad villainmoney-mad
5 : affected with rabies : rabid a mad dog
6 : marked by wild gaiety and merriment : hilarious of their childhood, of the mad pranks they played— Winston Churchill
7 : intensely excited : frantic driving him mad with jealousy— Edmund Wilson
8 : marked by intense and often chaotic activity : wild a mad scramble
9 US, informal : great in quantity, amount, extent, or degree making mad money Her performance won her mad respect from fans and peers alike, but the media response was tempered at best.— Joan Morgan
like mad
: to an extreme degree spending like mad working like mad to get the job done on time

mad

verb
madded; madding

Definition of mad (Entry 2 of 5)

mad

noun

Definition of mad (Entry 3 of 5)

1 : a fit or mood of bad temper
2 : anger, fury

mad

adverb

Definition of mad (Entry 4 of 5)

informal
: very, extremely We were mad tight, many of us born and raised in this same spot.— Sister Souljah

Definition of MAD (Entry 5 of 5)

mutual assured destruction; mutually assured destruction

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Other Words from mad

Adjective

maddish \ ˈma-​dish How to pronounce maddish (audio) \ adjective

Examples of mad in a Sentence

Adjective If you keep teasing that dog, you'll make him mad. What are you so mad about? That guy makes me so mad! a movie about a mad scientist She's mad for a cute boy in her class. He's mad keen on sailing. Verb her endless excuses for not doing the work madded her overburdened coworkers Noun watch out, the boss has got a bit of a mad on just now
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Recent Examples on the Web: Adjective Deer hunting has declined in some Southern states since a fatal, mad-cow-like disease was discovered in the region’s deer population, state officials said. Cameron Mcwhirter, WSJ, "Deer Disease Takes Its Toll on Hunting in the South," 31 Dec. 2019 Kiz, keep asking the tough questions to the Broncos, even if Von Miller gets mad at you during a press conference. Mark Kiszla, The Denver Post, "Kickin’ It with Kiz: As sports villain, Myles Garrett is a lightweight compared to Todd Bertuzzi," 16 Nov. 2019 And an older couple that had a reservation for the dinner got really mad. Michael Russell | The Oregonian/oregonlive, oregonlive, "Meet Portland’s restaurants of the decade," 29 Dec. 2019 Like people were going to be mad about the fact that the actors were not born in America. New York Times, "Lena Waithe’s Art of Protest," 29 Nov. 2019 Lauderhill, with a large Caribbean population that is mad about the sport of cricket, is a perfect place to grow the sport. Emmett Hall, sun-sentinel.com, "Lauderhill’s Worldwide Cricket Academy developing future stars," 12 Dec. 2019 But Satterfield isn’t one to get mad about that, especially in that moment. Cameron Teague Robinson, The Courier-Journal, "The turnaround: Why Saturday's win over NC State meant so much to Louisville's players," 17 Nov. 2019 Seattle wanted to be on display, wanted to show how soccer-mad the area was, wanted the showcase of playing for a championship with a stadium crammed full of green. Author: Tim Booth, Anchorage Daily News, "Sounders claim 2nd title in 4 years, beating Toronto FC 3-1," 11 Nov. 2019 Safety Harrison Smith played at another football-mad school, Notre Dame, whose team has its own television deal and a regional reach that includes Chicago to its northwest. John Shipley, Twin Cities, "Vikings players on board with California law allowing college athletes to trade on image," 17 Oct. 2019

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'mad.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of mad

Adjective

before the 12th century, in the meaning defined at sense 1

Verb

14th century, in the meaning defined above

Noun

1834, in the meaning defined at sense 1

Adverb

1895, in the meaning defined above

History and Etymology for mad

Adjective, Verb, and Noun

Middle English medd, madd, from Old English gemǣd, past participle of *gemǣdan to madden, from gemād silly, mad; akin to Old High German gimeit foolish, crazy

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Time Traveler for mad

Time Traveler

The first known use of mad was before the 12th century

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Statistics for mad

Last Updated

16 Jan 2020

Cite this Entry

“Mad.” The Merriam-Webster.com Dictionary, Merriam-Webster Inc., https://www.merriam-webster.com/dictionary/maddish?pronunciation&lang=en_us&dir=m&file=mad00002. Accessed 18 January 2020.

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More Definitions for mad

\ ˈmad How to pronounce mad (audio) \
madder; maddest

Kids Definition of mad

1 : angry He's mad at his brother.
2 : insane sense 1 … has the whole world gone mad today?— Christopher Paul Curtis, The Watsons
3 : done or made without thinking a mad promise
4 : infatuated She is mad about horses.
5 : having rabies a mad dog
6 : marked by intense and often disorganized activity At the end of the game, there was a mad scramble.
like mad
: with a great amount of energy or speed The crowd cheered like mad. He ran like mad.

Other Words from mad

madly adverb
madness noun
\ ˈmad How to pronounce mad (audio) \
madder; maddest

Medical Definition of mad

1 : arising from, indicative of, or marked by mental disorder not used technically
2 : affected with rabies : rabid

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More from Merriam-Webster on mad

Thesaurus: All synonyms and antonyms for mad

Rhyming Dictionary: Words that rhyme with mad

Spanish Central: Translation of mad

Nglish: Translation of mad for Spanish Speakers

Britannica English: Translation of mad for Arabic Speakers

Comments on mad

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