Insane
//ɪnˈseɪn//
Word Type
Adjective
Adjective
The word "insane" can be used as adjective and adjective.
Word Relationships
Derived Terms
Narrower Terms (Hyponyms)
Type Of (IsA)
Related Terms
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
Related Terms
Similar Terms
abnormal around bend around the bend balmy barmy bats batty bonkers brainsick brainsick buggy certifiable certifiable certified crackbrained crackbrained cracked crackers crazed crazy daft demented deranged disturbed dotty fey foolish fruity half crazed half-crazed haywire hebephrenic hebephrenic idiotic irrational kookie kooky loco loony loopy lunatic mad maniac maniacal maniacal manic depressive manic-depressive maniclike maniclike mentally ill mentally ill moonstruck moonstruck non compos mentis non compos mentis nuts nutty of unsound mind paranoid paranoid psychopathic psychopathologic psychopathological psychopathological psychotic psychotic raving raving mad raving mad round the bend schizophrenic schizophrenic screw loose screw-loose screwy sick touched touched unbalanced unhinged unnatural unreasonable unsound unstable wacky whacky wild
Synonym Network
bananas barking barking mad barmy batcrap batpoop bats batshit batty bonkers bread baskets cook cracked crackers cray cray cray crazed crazy cuckoo daft demented doolally dotty eccentric fruit loops fucked up harebrained hatstand kooky loony loony tunes loopy lunatic mad mental mentally disturbed non compos mentis nucking futs nuts nutso nutty potty psycho psychotic screwy squirrelly weird whacko
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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.