Barmy, as daft as a brush, aggravated, absurd, and asinine are all synonyms for insane. Sane and calm are antonyms of insane. And here are 120 another word for insane.
As daft as a brush, away with the fairies, bananas, barking mad, barking, barmy, bats, batty, bonkers, buggy, bushed, certifiable, cracked, crackers, crazed, crazy, cuckoo, demented, deranged, disturbed, hysterical, loony, loopy, mad as a march hare, mad as a hatter, mad, mentally ill, non compos mentis, not all there, not in one's right mind, not the full shilling, nuts, nutso, nutsy, nutty as a fruitcake, nutty, of unsound mind, off one's chump, off one's head, off one's nut, off one's rocker, off one's trolley, off the wall, out of one's head, out of one's mind, out of one's tree, psychotic, raving mad, round the bend, round the twist, schizophrenic, screwy, sectionable, severely mentally disordered, sick in the head, squirrelly, stark raving mad, stark staring mad, unbalanced, unhinged, unstable, wacko, and porangi are all synonyms for insane.
Aggravated, angry, annoyed, crazy, cross, enraged, exasperated, foaming at the mouth, hot under the collar, incensed, irritated, mad, spare, vexed, and crackers are all another word for insane.
Absurd, asinine, barmy, bizarre, cock-eyed, crazy, daft, extremely foolish, farcical, fatuous, full of holes, half-baked, hare-brained, idiotic, ill-conceived, illogical, imbecilic, implausible, impracticable, inane, irrational, laughable, ludicrous, mad, mindless, moronic, nonsensical, off beam, pointless, preposterous, ridiculous, senseless, silly, stupid, unrealistic, unreasonable, untenable, unthinkable, way out, weird, and potty are all synonyms for insane.
Insane synonym page has a variety of synonyms that differ in length. 3 synonyms with 3, 4, 14, 15, 17, and 18 letters and 20 synonyms with 5 letters. 7 synonyms with 6 letters and 12 synonyms with 7, 9, and 11 letters.
9 synonyms with 8, 10, and 13 letters and 6 synonyms with 12 letters. 1 synonym with 16, and 26 letters. For a total of 116 another word for insane.
The roller coaster ride was insane.
He had an insane amount of energy.
That idea sounds completely insane today.
The weather has been insane lately.