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mad
- 19 dictionary resultsmad
[mad] 
adjective, mad⋅der, mad⋅dest, noun, verb, mad⋅ded, mad⋅ding.–adjective
| 1. | mentally disturbed; deranged; insane; demented. |
| 2. | enraged; greatly provoked or irritated; angry. |
| 3. | (of animals)
|
| 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 gay or 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. |
–noun
| 9. | an angry or ill-tempered period, mood, or spell: The last time he had a mad on, it lasted for days. |
–verb (used with object)
| 10. | Archaic. to make mad. |
–verb (used without object)
—Idioms| 11. | Archaic. to be, become, or act mad. |
| 12. | like mad, Informal. with great haste, impulsiveness, energy, or enthusiasm: She ran like mad to catch the bus. |
| 13. | mad as a hatter, completely insane. |
Origin:
bef. 900; ME mad (adj.), madden (intrans. v., deriv. of the adj.); OE gemǣd(e)d, ptp. of *gemǣdan to make mad, akin to gemād mad, foolish; c. OS gemēd, OHG gimeit foolish
bef. 900; ME mad (adj.), madden (intrans. v., deriv. of the adj.); OE gemǣd(e)d, ptp. of *gemǣdan to make mad, akin to gemād mad, foolish; c. OS gemēd, OHG gimeit foolish
Synonyms:
1. lunatic, maniacal, crazed, crazy. 2. furious, exasperated, raging, wrathful, irate. 4. ill-advised; unsafe, dangerous, perilous. Mad, crazy, insane are used to characterize wildly impractical or foolish ideas, actions, etc. Mad suggests senselessness and excess: The scheme of buying the bridge was absolutely mad. In informal usage, crazy suggests recklessness and impracticality: a crazy young couple. Insane is used with some opprobrium to express unsoundness and possible harmfulness: The new traffic system is simply insane. 5. frenzied.
1. lunatic, maniacal, crazed, crazy. 2. furious, exasperated, raging, wrathful, irate. 4. ill-advised; unsafe, dangerous, perilous. Mad, crazy, insane are used to characterize wildly impractical or foolish ideas, actions, etc. Mad suggests senselessness and excess: The scheme of buying the bridge was absolutely mad. In informal usage, crazy suggests recklessness and impracticality: a crazy young couple. Insane is used with some opprobrium to express unsoundness and possible harmfulness: The new traffic system is simply insane. 5. frenzied.
Antonyms:
4. sensible, practical; sound, safe.
4. sensible, practical; sound, safe.
Usage note:
Mad meaning “enraged, angry” has been used since 1300, and this sense is a very common one. Because some teachers and usage critics insist that the only correct meaning of mad is “mentally disturbed, insane,” mad is often replaced by angry in formal contexts: The President is angry at Congress for overriding his veto.
Mad meaning “enraged, angry” has been used since 1300, and this sense is a very common one. Because some teachers and usage critics insist that the only correct meaning of mad is “mentally disturbed, insane,” mad is often replaced by angry in formal contexts: The President is angry at Congress for overriding his veto.
mad.
Mutual Assured Destruction
–noun
| a U.S. doctrine of reciprocal deterrence resting on the U.S. and Soviet Union each being able to inflict unacceptable damage on the other in retaliation for a nuclear attack. |
Also called MAD.
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2009.
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Based on the Random House Dictionary, © Random House, Inc. 2009.
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|
Link To mad
| mad (mād) adj. mad·der, mad·dest
To make or become mad; madden. [Middle English, from Old English gemǣdde, past participle of *gemǣdan, to madden, from gemād, insane; see mei-1 in Indo-European roots.] mad'dish adj. |
| MAD (mād) abbr. mutual assured destruction |
The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2009 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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Copyright © 2009 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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Mad
Mad\, n. [Cf. W. mad a male child, a boy.]1. A slattern. [Prov. Eng.] 2. The name of a female fairy, esp. the queen of the fairies; and hence, sometimes, any fairy. --Shak.Mad
Mad\, obs. p. p. of Made. --Chaucer.Mad
Mad\, a. [Compar. Madder; superl. Maddest.] [AS. gem?d, gem[=a]d, mad; akin to OS. gem?d foolish, OHG. gameit, Icel. mei?a to hurt, Goth. gam['a]ids weak, broken. ?.]1. Disordered in intellect; crazy; insane. I have heard my grandsire say full oft, Extremity of griefs would make men mad. --Shak. 2. Excited beyond self-control or the restraint of reason; inflamed by violent or uncontrollable desire, passion, or appetite; as, to be mad with terror, lust, or hatred; mad against political reform. It is the land of graven images, and they are mad upon their idols. --Jer. 1. 88. And being exceedingly mad against them, I persecuted them even unto strange cities. --Acts xxvi. 11. 3. Proceeding from, or indicating, madness; expressing distraction; prompted by infatuation, fury, or extreme rashness. "Mad demeanor." --Milton. Mad wars destroy in one year the works of many years of peace. --Franklin. The mad promise of Cleon was fulfilled. --Jowett (Thucyd.). 4. Extravagant; immoderate. "Be mad and merry." --Shak. "Fetching mad bounds." --Shak. 5. Furious with rage, terror, or disease; -- said of the lower animals; as, a mad bull; esp., having hydrophobia; rabid; as, a mad dog. 6. Angry; out of patience; vexed; as, to get mad at a person. [Colloq.] 7. Having impaired polarity; -- applied to a compass needle. [Colloq.] Like mad, like a mad person; in a furious manner; as, to run like mad. --L'Estrange. To run mad. (a) To become wild with excitement. (b) To run wildly about under the influence of hydrophobia; to become affected with hydrophobia. To run mad after, to pursue under the influence of infatuation or immoderate desire. "The world is running mad after farce." --Dryden.Mad
Mad\, v. i. To be mad; to go mad; to rave. See Madding. [Archaic] --Chaucer. Festus said with great voice, Paul thou maddest. --Wyclif (Acts).Mad
Mad\, n. [AS. ma?a; akin to D. & G. made, Goth. mapa, and prob. to E. moth.] (Zo["o]l.) An earthworm. [Written also made.]
Webster's Revised Unabridged Dictionary, © 1996, 1998 MICRA, Inc.
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mad
O.E. gemædde (pl.) "out of one's mind" (usually implying also violent excitement), also "foolish," earlier gemæded "rendered insane," pp. of a lost verb *gemædan "to make insane or foolish" (related to gemad "mad"), from P.Gmc. *ga-maid-jan, demonstrative form of *ga-maid-az "changed (for the worse), abnormal" (cf. O.S. gimed "foolish," O.H.G. gimeit "foolish, vain, boastful," Goth. gamaiþs "crippled, wounded," O.N. meiða "to hurt, maim"), from intensive prefix *ga- + PIE *moito-, pp. of base *mei- "to change" (cf. L. mutare "to change," mutuus "done in exchange," migrare "to change one's place of residence;" see mutable). Emerged in M.E. to replace the more usual O.E. word, wod. Sense of "beside oneself with excitement or enthusiasm" is from c.1330. Meaning "beside oneself with anger" is attested from c.1300, but deplored by Rev. John Witherspoon (1781) as an Americanism, and now competes in Amer.Eng. with angry for this sense. Of dogs, "affected with rabies," from 1800. Madcap (n. and adj.) is from 1588; madhouse is from 1687. Phrase mad as a March hare is attested from 1529, via notion of breeding season; mad as a hatter (1857) is said to be from erratic behavior caused by prolonged exposure to poison mercuric nitrate, used in making felt hats. Mad as a wet hen is from 1823. Mad money is attested from 1922; mad scientist is from 1940.
Online Etymology Dictionary, © 2001 Douglas Harper
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MAD
In currencies, this is the abbreviation for the Moroccan Dirham.
Investopedia Commentary
The currency market, also known as the Foreign Exchange market, is the largest financial market in the world, with a daily average volume of over US $1 trillion.
See also: Currency, FOREX, Hard Currency, Money
Also spelled: MAD
Investopedia.com. Copyright © 1999-2005 - All rights reserved. Owned and Operated by Investopedia Inc.
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Main Entry: mad
Pronunciation: 'mad
Function: adjective
Inflected Forms: mad·der; mad·dest
1 : arising from,indicative of, or marked by mental disorder
2 : affected with rabies : RABID
Merriam-Webster's Medical Dictionary, © 2002 Merriam-Webster, Inc.
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mad (mād)
adj.
- Angry; resentful.
- Suffering from a disorder of the mind; insane.
- Affected by rabies; rabid.
The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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MAD language
1. Michigan Algorithm Decoder.
2. A data flow language.
["Implementation of Data Structures on a Data Flow Computer", D.L. Bowen, Ph.D. Thesis, Victoria U Manchester, Apr 1981].
(1999-12-10)
The Free On-line Dictionary of Computing, © 1993-2007 Denis Howe
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mad
In addition to the idioms beginning with mad, also see crazy (mad) about; drive someone crazy (mad); hopping mad; like crazy (mad); stark raving mad.
The American Heritage® Dictionary of Idioms by Christine Ammer.
Copyright © 1997. Published by Houghton Mifflin.
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Copyright © 1997. Published by Houghton Mifflin.
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MAD
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The American Heritage® Abbreviations Dictionary, Third Edition
Copyright © 2005 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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Copyright © 2005 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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