insane

Adjective

• Mentally unsound; extremely foolish or irrational.
• afflicted with or characteristic of mental derangement
  • "was declared insane"
  • "insane laughter"

Adjective Satellite

• very foolish
  • "took insane risks behind the wheel"

Adj

• Exhibiting unsoundness or disorder of mind; not sane; utterly mad.
• Used by or relating to insane people.
• Causing insanity or madness.
• Characterized by excess or the utmost folly; ridiculous; impractical.
• Extremely good; incredibly amazing.
• Enraged; furious.

Examples

• an insane amount of money
• an insane asylum
• an insane hospital
• an insane plan
• His triple word score for ’XYLYL’ was insane, but perfectly legal.
• That guy is insane at FPS games.

Synonyms

harebrained, mad, 5150, apeshit, bananas, barking, barking mad, barmy, bat-shit, batchy, batcrap, batpoop, bats, batshit, batty, bonkers, bread baskets, buggish, buggy, bughouse, cra-cra, cracked, crackers, cray, cray-cray, crazed, crazy, crazy as a bedbug, crazy as a cootie, crazy as a cootie bug, crazy as a pet coon, cuckoo, daffy, daft, demented, deranged, distraught, disturbed, doolally, dotty, eccentric, fruit loops, fucked in the head, fucked up, gaga, hatstand, insane, kooky, loco, loon, loony, loony tunes, loopy, lunatic, mental, mentally ill, meshigener, meshugge, moonsick, non compos mentis, nonsane, nucking futs, nut, nut job, nutballs, nuts, nutso, nutter, nutty, off the beam, off the chain, over the edge, potty, psycho, psychoceramic, psychotic, ripshit, screwy, sicko, squirrelly, starkers, tonto, unbalanced, unsane, wackadoodle, weird, whackjob, whacko, whacky, wode, yampy, zany

Antonyms

sane, sober

Related Words

Appendix:Snowclones/few X short of a Y, a few clowns short of a circus, a few fries short of a Happy Meal, a few spanners short of a tool box, a half bubble off plumb, a kangaroo loose in the top paddock, away with the fairies, becraze, crazy as a shithouse rat, cuckoo for Cocoa Puffs, driving on three wheels, few X short of a Y, few cards short of a full deck, few cards shy of a full deck, few sandwiches short of a picnic, have a geranium in the cranium, have a screw loose, have bats in one's belfry, have static in the attic, have strudel in the noodle, his driveway doesn't go all the way to the road, insane in the membrane, insanity, losing marbles, mad as a March hare, mad as a box of frogs, mad as a hatter, mad as a mongoose, mad person, no longer in possession of one's faculties, nobody home, not all there, not have both oars in the water, not playing with a full deck, not right in the head, not running on all cylinders, nutty as a fruit cake, off one's box, off one's chump, off one's head, off one's hinges, off one's nut, off one's rocker, off one's tree, off one's trolley, off the deep end, off the planet, off the rails, one brick short of a full load, one card shy of a full deck, one fry short of a Happy Meal, out of one's box, out of one's cotton-picking mind, out of one's gourd, out of one's head, out of one's mind, out of one's skull, out of one's tree, out of one's wits, out there, rave, round the bend, round the twist, stark raving mad, stark staring bonkers, stark staring mad, stupid, the cheese has slid off one's cracker, three fries short of a Happy Meal, three stops short of Dagenham, touched in the head, toys in the attic, wild, wired wrong, INSANELY