mad

1 feeling or showing anger the constant harassment from telemarketers finally made her good and mad Synonyms angered, apoplectic, ballistic, cheesed off [chiefly British], choleric, enraged, foaming, fuming, furious, hopping, horn-mad, hot, incensed, indignant, inflamed (also enflamed), infuriate, infuriated, irate, ireful, livid, angry, outraged, rabid, rankled, riled, riley, roiled, shirty [chiefly British], sore, steamed up, steaming, teed off, ticked, wrathful, wrothRelated Words ranting, raving, stormy; boiling, bristling, bristly, burning, cross, huffy, passionate, seething, sizzling, smoldering (or smouldering), worked up, wrought (up); acrid, acrimonious, antagonistic, antipathetic, bitter, embittered, inimical, malevolent, piqued, rancorous, resentful, spiteful, vengeful, vindictive, virulent, vitriolic; antisocial, cold, cool, disagreeable, disapproving, distant, frigid, icy, ill-tempered, sorehead (or soreheaded), sulky, unfriendly, unpleasant; aggravated, annoyed, bearish, bilious, cantankerous, churlish, crabby, cranky, dyspeptic, exasperated, fretful, fussy, grouchy, grumpy, ill-humored, inflammable, irascible, irritable, peevish, perturbed, petulant, put out, quick-tempered, snappish, testy, touchy; argumentative, belligerent, contentious, contrary, disputatious, ornery, pugnacious, quarrelsome, querulousNear Antonyms accepting, accommodating, obliging; agreeable, amenable, complaisant; amicable, cordial, friendly; content, happy, satisfied; empathetic, sympathetic, tolerant, understanding; calm, pacific, peaceable, placid, serene, tranquil, unembittered; affable, amiable, easygoing, genial, good-natured, good-tempered, kind, pleasant, sweetAntonyms angerless, delighted, pleased

2 having or showing a very abnormal or sick state of mind the man who thinks he's been turned into a bug is clearly mad Synonyms balmy, barmy [chiefly British], bats, batty, bedlam, bonkers, brainsick, bughouse [slang], certifiable, crackbrained, cracked, crackers, crackpot, cranky [dialect], crazed, crazy, cuckoo, daffy, daft, demented, deranged, fruity [slang], gaga, haywire, kooky (also kookie), loco [slang], loony (also looney), loony tunes (or looney tunes), lunatic, insane, maniacal (also maniac), mental, meshuga (or meshugge also meshugah or meshuggah), moonstruck, non compos mentis, nuts, nutty, psycho, psychotic, scatty [chiefly British], screwy, unbalanced, unhinged, unsound, wacko (also whacko), wacky (also whacky), wud [chiefly Scottish]Related Words dotty, fey, loopy, off, potty [chiefly British], teched (or tetched), touched; aberrant, delirious, delusional, delusionary, disordered, disturbed, neurotic, obsessive-compulsive, paranoiac (also paranoic), paranoid (also paranoidal), schizoid, schizophrenic, sociopathic; eccentric, odd, oddball, pixilated (also pixillated), queer, strange; foolish, senseless, witless; irrational, unreasonable; amok (or amuck), ape, ballistic, bananas, berserk, nuclear; depressed; distracted, distraught, frantic, frenzied, haywire, hysterical (also hysteric), raving, wigged-out; fixated, monomaniac, monomaniacal, obsessedNear Antonyms clear, lucid, rational, reasonable; judicious, sensible, wise; healthy, normal, well-adjusted; unneuroticAntonyms balanced, compos mentis, sane, sound, uncrazy

3 marked by great and often stressful excitement or activity a mad rush to finish the shopping before Christmas Synonyms delirious, ferocious, feverish, fierce, frantic, frenetic, frenzied, furious, rabid, violent, wildRelated Words concentrated, high-pressured, intense, intensive, vehement; excessive, exorbitant, extravagant, extreme, immoderate, inordinate, lavish, overmuch, overweening, unconscionable, undue; crazed, crazy, demented, deranged, insane, irrational, lunatic, furious, maniacal (also maniac)Near Antonyms calm, peaceful, placid, quiet, serene, subdued, tranquil, undisturbed, unperturbed, untroubled; moderate, reasonable, temperate; casual, easygoing, low-pressure; balanced, sane, soundAntonyms relaxed

4 showing or marked by a lack of good sense or judgment her mad decision to quit a good job and run off to the big city with a man she barely knew Synonyms absurd, asinine, balmy, brainless, bubbleheaded, cockeyed, crackpot, crazy, cuckoo, daffy, daft, dippy, dotty, fatuous, featherheaded, fool, half-baked, harebrained, half-witted, inept, insane, jerky, kooky (also kookie), loony (also looney), lunatic, lunkheaded, foolish, nonsensical, nutty, preposterous, sappy, screwball, senseless, silly, simpleminded, stupid, tomfool, unwise, wacky (also whacky), weak-minded, witless, zanyRelated Words airheaded, birdbrained, boobish, brain-dead, chowderheaded, chuckleheaded, clueless, dense, dim, dim-witted, doltish, dopey (also dopy), dorky [slang], dull, dumb, dunderheaded, empty-headed, fatuous, feebleminded, gormless [chiefly British], idiotic (also idiotical), imbecile (or imbecilic), knuckleheaded, lamebrain (or lamebrained), mindless, moronic, oafish, obtuse, opaque, pinheaded, simple, slow, slow-witted, soft, softheaded, thoughtless, thick, thickheaded, unintelligent, vacuous, witless; fallacious, illogical, invalid, irrational, nonrational, surd, unreasonable, unreasoning, unsound, weak; farcical, laughable, ludicrous, ridiculous; notional; buffoonish, clownish; ill-advised, unconsidered, unreasonedNear Antonyms brainy, bright, clever, intelligent, smart; logical, rational, reasonable, valid; well-advisedAntonyms judicious, prudent, sagacious, sage, sane, sapient, sensible, sound, wise