Synonyms of mad in English:

insane, mentally ill, certifiable, deranged, demented, of unsound mind, out of one's mind, not in one's right mind, sick in the head, not together, crazy, crazed, lunatic, non compos mentis, unbalanced, unhinged, unstable, disturbed, distracted, stark mad, manic, frenzied, raving, distraught, frantic, hysterical, delirious, psychotic, psychopathic, mad as a hatter, mad as a March hare, away with the fairies, foaming at the mouth

British sectionable

informal mental, off one's head, out of one's head, off one's nut, nuts, nutty, nutty as a fruitcake, off one's rocker, not right in the head, not quite right in the head, round the bend, stark raving mad, stark staring mad, raving mad, bats, batty, bonkers, dotty, cuckoo, cracked, loopy, loony, bananas, loco, dippy, screwy, schizoid, touched, gaga, up the pole, off the wall, not all there, not right upstairs

British informal barmy, crackers, barking, barking mad, round the twist, off one's trolley, as daft as a brush, not the full shilling

North American informal buggy, nutsy, nutso

out of one's tree, meshuga, squirrelly, wacko

Australian Canadian NZ informal bushed

Australian informal yarra

NZ informal porangi

informal have a screw loose, have bats in one's belfry, have bats in the belfry

Australian informal have kangaroos in one's top paddock, have kangaroos in the top paddock

angry, furious, infuriated, irate, raging, enraged, fuming, blazing, flaming mad, blazing mad, in a towering rage, incensed, wrathful, seeing red, cross, indignant, exasperated, irritated, berserk, out of control, beside oneself

informal livid, spare, wild, aerated

informal, dated waxy, in a wax

North American informal sore

foolish, insane, stupid, lunatic, foolhardy, idiotic, irrational, unreasonable, illogical, zany, senseless, nonsensical, absurd, impractical, silly, inane, asinine, ludicrous, wild, unwise, imprudent, preposterous

informal crazy, daft, crackpot, crackbrained

enthusiastic, passionate, impassioned, keen on

informal ardent, zealous, fervent, avid, eager, fervid, fanatical, addicted to, devoted to, infatuated with, in love with, hot for

informal crazy, potty, dotty, nuts, wild, hooked on, gone on

North American informal nutso

unrestrained, uncontrolled, uninhibited, wild, abandoned, overpowering, overwhelming, excited, frenzied, frantic, frenetic, ebullient, energetic, boisterous