Need another word that means the same as “insane”? Find 29 synonyms and 30 related words for “insane” in this overview.
The synonyms of “Insane” are: harebrained, mad, of unsound mind, certifiable, psychotic, schizophrenic, crazy, idiotic, stupid, silly, senseless, nonsensical, pointless, absurd, ridiculous, ludicrous, farcical, laughable, preposterous, weird, bizarre, fatuous, inane, imbecilic, moronic, asinine, mindless, half-baked, ill-conceived
According to the Oxford Dictionary of English, “insane” as an adjective can have the following definitions:
| absurd | So unreasonable as to invite derision. It may look absurd but having a treadmill desk could improve your attention span. |
| asinine | Devoid of intelligence. Lydia ignored his asinine remark. |
| bizarre | Very strange or unusual. A bizarre situation. |
| certifiable | Fit to be certified as insane (and treated accordingly. A certifiable fact. |
| crazy | Intensely enthusiastic about or preoccupied with. Stella went crazy and assaulted a visitor. |
| farcical | Relating to or resembling farce, especially because of absurd or ridiculous aspects. A farcical situation. |
| fatuous | Extremely silly or stupid. A fatuous comment. |
| half-baked | Foolish; totally unsound. |
| harebrained | Very foolish. Harebrained ideas. |
| idiotic | So unreasonable as to invite derision. An idiotic idea. |
| ill-conceived | Poorly conceived or thought out. |
| imbecilic | Having a mental age of three to seven years. |
| inane | Devoid of intelligence. Don t badger people with inane questions. |
| laughable | So unreasonable as to invite derision. If it didn t make me so angry it would be laughable. |
| ludicrous | Broadly or extravagantly humorous; resembling farce. Every night he wore a ludicrous outfit. |
| mad | Affected with madness or insanity. A man who had gone mad. |
| mindless | Not mindful or attentive- G.B.Shaw. Mindless tasks. |
| moronic | Having a mental age of between eight and twelve years. Television s latest moronic soap opera. |
| nonsensical | Having no intelligible meaning. He dismissed the claim as nonsensical. |
| of unsound mind | Physically unsound or diseased. |
| pointless | Having no points scores. It s pointless to plan too far ahead. |
| preposterous | Contrary to reason or common sense; utterly absurd or ridiculous. A preposterous suggestion. |
| psychotic | Relating to, denoting, or suffering from a psychosis. A psychotic disturbance. |
| ridiculous | Deserving or inviting derision or mockery; absurd. That ridiculous tartan cap. |
| schizophrenic | Having, relating to, or characteristic of schizophrenia. Schizophrenic symptoms. |
| senseless | Not marked by the use of reason. The attack left a policeman beaten senseless. |
| silly | Ludicrous, foolish. He would brood about silly things. |
| weird | Strikingly odd or unusual- Bram Stoker. A weird coincidence. |
| bipolar | Of a person suffering from bipolar disorder. A sharply bipolar division of affluent and underclass. |
| certifiable | Capable of being guaranteed or certified. It is possible that he will have to return to hospital but at the moment he is not certifiable. |
| crazy | Extremely. Crazy about cars and racing. |
| daft | Informal or slang terms for mentally irregular. Don t ask such daft questions. |
| demented | Behaving irrationally due to anger, distress, or excitement. She was demented with worry. |
| deranged | Driven insane. A deranged gunman. |
| disturbed | Affected with madness or insanity. Disturbed sleep. |
| epilepsy | A disorder of the central nervous system characterized by loss of consciousness and convulsions. |
| folly | A theatrical revue with glamorous female performers. An act of sheer folly. |
| frenetic | Excessively agitated; distraught with fear or other violent emotion. Frenetic screams followed the accident. |
| frenzy | A state or period of uncontrolled excitement or wild behaviour. Doreen worked herself into a frenzy of rage. |
| hysteria | Excessive or uncontrollable fear. The anti Semitic hysteria of the 1890s. |
| hysterical | Marked by excessive or uncontrollable emotion. A mob of hysterical vigilantes. |
| insanity | Extreme foolishness or irrationality. It might be pure insanity to take this loan. |
| lunatic | An extremely foolish or eccentric person. This lunatic just accelerated out from the side of the road. |
| mad | Affected with madness or insanity. She pictured loved ones mad with anxiety about her. |
| madden | Cause to go crazy; cause to lose one’s mind. This is ridiculous she told him maddened by his reaction. |
| mania | An excessive enthusiasm or desire; an obsession. He had a mania for automobiles. |
| mentally | In your mind. Soldiers become physically and mentally exhausted. |
| neurotic | A neurotic person. I wasn t going to be labelled as a hypochondriac or neurotic. |
| nuts | Mad. The way he turns on the television as soon as he walks in drives me nuts. |
| paranoia | A mental condition characterized by delusions of persecution, unwarranted jealousy, or exaggerated self-importance, typically worked into an organized system. It may be an aspect of chronic personality disorder, of drug abuse, or of a serious condition such as schizophrenia in which the person loses touch with reality. Mild paranoia afflicts all prime ministers. |
| paranoid | A person who is paranoid. You think I m paranoid but I tell you there is something going on. |
| psychopath | Someone with a sociopathic personality a person with an antisocial personality disorder psychopath was once widely used but has now been superseded by sociopath. Playground psychopaths will gather around a fight to encourage the combatants. |
| psychosis | A severe mental disorder in which thought and emotions are so impaired that contact is lost with external reality. They were suffering from a psychosis. |
| rabid | Of or connected with rabies. Rabid isolationist. |
| raving | In a raving manner. The raving of maniacs. |
| schizophrenia | (in general use) a mentality or approach characterized by inconsistent or contradictory elements. Gibraltar s schizophrenia continues to be fed by colonial pride. |
| simpleton | A person lacking intelligence or common sense. Stop grinning at me like a simpleton. |
| unbalanced | Not giving accurate, fair, or equal coverage to all aspects; partial. This may give an unbalanced impression of the competition. |
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