mad

adj

1. insane, crazy, crazed, demented, lunatic, deranged; of unsound mind, Latin, non compos mentis; daft, Inf. daffy, unbalanced, touched, Inf. unglued, Inf. half-baked, Brit. Sl. bonkers, unhinged, distracted; eccentric, flighty, odd, idiosyncratic, offbeat, queer, bizarre, Chiefly Brit. Inf. potty, Inf. dotty, Inf. crackpot; brainsick, Sl. kooky, Sl. meshuga; All Sl. balmy, dippy, batty, bats, cuckoo, buggy, bughouse, bugs, screwy, wacky, wacko, goofy, loony, squirrelly, bananas, nuts, nutty, nutty as a fruitcake.

2. out of one's head, out of one's mind, Scot. redwood, Sl. loco, mad as a hatter, mad as a March hare, stark raving mad; not all there, not quite right, not right upstairs; Inf. out in left field, Sl. in outer space, Sl. in orbit, Inf. off the wall; Inf. cracked, Inf. mental, Sl. schizo, Sl. off one's rocker, Sl. out of one's tree, Sl. off one's trolley, Brit. Sl. off one's chump; All Sl. have bats in one's belfry, have a few buttons missing, have a few loose screws.

3. enraged, raging, fuming, infuriated, Rare. infuriate, furious; angry, irate, ireful, incensed, wrathful, wroth; in a huff, up in arms, in high dudgeon; at the end of one's rope, Inf. fed up, ready to burst; inflamed, flaming, flaring, fiery, flared up, flushed with anger, red-hot, white-hot.

4. irritated, annoyed, peeved, vexed; piqued, chafed, galled, riled, nettled; displeased, indignant.

5. maniacal, hysterical, madding, Archaic. wood, delirious; frantic, frenzied, frenetic; ranting, raving, storming, foaming at the mouth, convulsing; overwrought, distraught, upset, worked-up, wrought-up, stirred-up; exasperated, provoked; beside oneself, at one's wit's end; out of control, uncontrollable, unre-strainable, corybantic, Inf. haywire, berserk, wild; violent, stormy, fierce, tempestuous, tumultuous, turbulent.

6. impractical, injudicious, unsensible; unfounded, groundless, unsound; preposterous, extravagant, excessive; inappropriate, inept, improper, incongruous, inconsistent; imprudent, indiscreet; unwise, ill-considered, ill-suited, ill-advised; short-sighted, careless, unwary, irresponsible; reckless, rash, harum-scarum; unsafe, dangerous, perilous.

7. absurd, silly, inane, fatuous, crackbrained, foolish; irrational, wild-eyed, illogical, unreasonable; senseless, nonsensical, pointless; ridiculous, laughable, risible, derisible, ludicrous, Sl. for the birds; asinine, anserine, idiotic, Inf. moronic, imbecilic; childish, puerile, immature.

8. stupid, simple-minded, bird-brained, feeble-minded, dull-witted; harebrained, light-minded, light-headed, giddy; wandering, rambling, driveling, incoherent; scatterbrained, absent-minded, confused; muddled, muddlepated, bemused.

9. enthusiastic, excited, avid, eager, zealous; ardent, fervid, fervent, passionate, impassioned; fanatical, Inf. wild, dithyrambic; intense, rabid, vehement.

10. infatuated, moon-struck, possessed; enamored by or with, U.S. Sl. ape over or for, keen on or about, wild about, mad about or after, fond of, Inf. gone on; desirous, covetous, avid for or of; All Sl. all hopped-up about, hepped up or over, hot about or for or on, steamed up about, nuts about or on.

11. like mad

Slang. ardently, fervently, passionately, intensely, like crazy; devotedly, devoutly; enthusiastically, madly, furiously, excitedly. See madly(def.1).