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WordReference Random House Learner's Dictionary of American English © 2024mad•der1 /ˈmædɚ/USA pronunciation n. - Plant Biology[countable] a plant of Europe having clusters of small yellowish flowers.
- Plant Biology[uncountable] the root of this plant, once used in dyeing.
- [uncountable] a dye derived from madder.
WordReference Random House Unabridged Dictionary of American English © 2024mad•der1 (mad′ər),USA pronunciation n. - Plant Biologyany plant of the genus Rubia, esp. the climbing R. tinctorum, of Europe, having open clusters of small, yellowish flowers. Cf. madder family.
- Plant Biologythe root of this plant, formerly used in dyeing.
- Textilesthe dye or coloring matter itself.
- Textilesa color produced by such a dye.
- bef. 1000; Middle English mad(d)er, Old English mæd(e)re; cognate with Old Norse mathra, Old High German matara
- comparative of mad.
Collins Concise English Dictionary © HarperCollins Publishers:: madder /ˈmædə/ n - any of several rubiaceous plants of the genus Rubia, esp the Eurasian R. tinctoria, which has small yellow flowers and a red fleshy root
- the root of this plant
- a dark reddish-purple dye formerly obtained by fermentation of this root; identical to the synthetic dye, alizarin
- a red lake obtained from alizarin and an inorganic base; used as a pigment in inks and paints
Etymology: Old English mædere; related to Middle Dutch mēde, Old Norse mathra mad /mæd/USA pronunciation adj., mad•der, mad•dest. - Psychiatrymentally disturbed or mentally ill;
deranged. - angry;
greatly irritated;
enraged:[be + ~]He's really mad at his daughter. - affected with rabies;
rabid:a mad dog. - extremely foolish:a mad scheme.[be + ~ + to + verb]You're mad to go out in such weather.
- very hurried and disorganized:[before a noun]mad haste.
- full of enthusiasm;
infatuated:[be + ~]He's mad about opera. - wildly fun-loving;
hilarious:[before a noun]a mad time at the party.
Idioms- drive someone mad, to cause someone to be furious or irritated:Rush hour traffic always drives her mad.
- like mad, at a furious pace:rushing around like mad.
mad•ly, adv. : madly in love with her. mad•ness, n. [uncountable]suffering from madness. WordReference Random House Unabridged Dictionary of American English © 2024mad (mad),USA pronunciation adj., mad•der, mad•dest, n., v., mad•ded, mad•ding. adj. - Psychiatrymentally 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. - wildly excited or confused: frantic:mad haste.
- overcome by desire, eagerness, enthusiasm, etc.;
excessively or uncontrollably fond;
infatuated:He's mad about the opera. - wildly gay or 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.
- Idioms, Informal Terms like mad, [Informal.]with great haste, impulsiveness, energy, or enthusiasm:She ran like mad to catch the bus.
- Idioms mad as a hatter, completely insane.
n. - an angry or ill-tempered period, mood, or spell:The last time he had a mad on, it lasted for days.
v.t. - [Archaic.]to make mad.
v.i. - [Archaic.]to be, become, or act mad.
- bef. 900; Middle English mad (adjective, adjectival), madden (intrans. verb, verbal, derivative of the adjective, adjectival); Old English gemǣd(e)d, past participle of *gemǣdan to make mad, akin to gemād mad, foolish; cognate with Old Saxon gemēd, Old High German gimeit foolish
- 1.See corresponding entry in Unabridged lunatic, maniacal, crazed, crazy.
- 2.See corresponding entry in Unabridged furious, exasperated, raging, wrathful, irate.
- 4.See corresponding entry in Unabridged 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.See corresponding entry in Unabridged frenzied.
- 4.See corresponding entry in Unabridged sensible, practical; sound, safe.
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 (mad),USA pronunciation n. - Military, GovernmentSee Mutual Assured Destruction.
mad., - madam.
Collins Concise English Dictionary © HarperCollins Publishers:: mad /mæd/ adj (madder, maddest)- mentally deranged; insane
- senseless; foolish: a mad idea
- (often followed by at) informal angry; resentful
- followed by about, 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 hatter ⇒ crazily eccentric
vb (mads, madding, madded)- archaic to make or become mad; act or cause to act as if mad
Etymology: Old English gemǣded, past participle of gemǣdan to render insane; related to gemād insane, and to Old High German gimeit silly, crazy, Old Norse meitha to hurt, damage |