Word Study
insane
CIDE DICTIONARY
- Exhibiting unsoundness or disorder of mind; not sane; mad; deranged in mind; delirious; distracted. See Insanity, 2. [1913 Webster]
- Used by, or appropriated to, insane persons; as, an insane hospital. [1913 Webster]
- Causing insanity or madness. [1913 Webster]"Or have we eaten on the insaneroot
That takes the reason prisoner ?" [1913 Webster] - Characterized by insanity or the utmost folly; chimerical; unpractical; as, an insane plan, attempt, etc. [1913 Webster]"I know not which was the insane measure." [1913 Webster]
OXFORD DICTIONARY
insane, adj.
1 not of sound mind; mad.
2 colloq. extremely foolish; irrational.
1 not of sound mind; mad.
2 colloq. extremely foolish; irrational.
Derivative
insanely adv. insaneness n. insanity n. (pl. -ies).
Etymology
L insanus (as IN-(1), sanus healthy)
THESAURUS
insane
abnormal, absurd, apish, asinine, at fever pitch, batty, bedlamite, befooled, beguiled, bereft of reason, besotted, bonkers, brainless, brainsick, buffoonish, buggy, bughouse, bugs, certifiable, cockeyed, crackbrained, cracked, crackers, cranky, crazed, crazy, credulous, cuckoo, daffy, daft, dazed, delirious, deluded, demented, deprived of reason, deranged, disordered, disoriented, distraught, dizzy, doting, dotty, dull, dumb, eccentric, fanatical, fatuitous, fatuous, febrile, feverish, flaky, flighty, fond, fool, foolheaded, foolish, frantic, frenetic, frenzied, fruity, fuddled, furious, futile, gaga, goofy, gulled, hallucinated, hectic, hysteric, idiotic, imbecile, imbecilic, inane, inept, infatuated, irrational, irresponsible, kinky, kooky, loco, loony, loopy, ludicrous, lunatic, mad, maddened, maniac, maniacal, manic, maudlin, mazed, mental, mentally deficient, meshuggah, mindless, moon-struck, moronic, neurotic, non compos, non compos mentis, nonsensical, not all there, not right, nuts, nutty, odd, of unsound mind, off, out of it, overanxious, overdesirous, overeager, overenthusiastic, overzealous, perfervid, potty, psycho, psychoneurotic, psychotic, queer, quirky, reasonless, reckless, ridiculous, round the bend, sappy, scatterbrained, schizo, schizoid, schizophrenic, screwy, senseless, sentimental, sick, silly, spaced out, spacy, stark-mad, stark-staring mad, strange, stupid, tetched, thoughtless, touched, ultrazealous, unbalanced, unhinged, unrealistic, unsane, unsettled, unsound, wacky, wandering, wet, wild, witlessROGET THESAURUS
insane
Insanity
N insanity, disordered reason, disordered intellect, diseased mind, unsound mind, abnormal mind, derangement, unsoundness, psychosis, neurosis, cognitive disorder, affective disorder, insanity, lunacy, madness, mania, rabies, furor, mental alienation, aberration, paranoia, schizophrenia, dementation, dementia, demency, phrenitis, phrensy, frenzy, raving, incoherence, wandering, delirium, calenture of the brain, delusion, hallucination, lycanthropy, brain storm, vertigo, dizziness, swimming, sunstroke, coup de soleil, siriasis, fanaticism, infatuation, craze, oddity, eccentricity, twist, monomania (caprice), kleptodipsomania, hypochondriasis, melancholia, depression, clinical depression, severe depression, hysteria, amentia, screw loose, tile loose, slate loose, bee in one's bonnet, rats in the upper story, dotage, insane, mad, lunatic, loony, crazy, crazed, aliene, non compos mentis, not right, cracked, touched, bereft of reason, all possessed, unhinged, unsettled in one's mind, insensate, reasonless, beside oneself, demented, daft, phrenzied, frenzied, frenetic, possessed, possessed with a devil, deranged, maddened, moonstruck, shatterpated, mad-brained, scatter brained, shatter brained, crackbrained, touched, tetched, off one's head, maniacal, delirious, lightheaded, incoherent, rambling, doting, wandering, frantic, raving, stark staring mad, stark raving mad, wild-eyed, berserk, delusional, hallucinatory, corybantic, dithyrambic, rabid, giddy, vertiginous, wild, haggard, mazed, flighty, distracted, distraught, depressed, agitated, hyped up, bewildered, mad as a March hare, mad as a hatter, of unsound mind, touched in one's head, wrong in one's head, not right in one's head, not in one's right mind, not right in one's wits, upper story, out of one's mind, out of one's wits, out of one's skull, far gone, out of one's senses, out of one's wits, not in one's right mind, fanatical, infatuated, odd, eccentric, hypped, hyppish, spaced out, imbecile, silly, like one possessed, the mind having lost its balance, the reason under a cloud, tet exaltee, tet montee, ira furor brevis est, omnes stultos insanire.For further exploring for "insane" in Webster Dictionary Online