INSANE: Synonyms and Related Words. What is Another Word for INSANE?

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

Insane as an Adjective

Definitions of "Insane" as an adjective

According to the Oxford Dictionary of English, “insane” as an adjective can have the following definitions:

• Astonishingly good or impressive; amazing.
• Extremely annoyed.
• Afflicted with or characteristic of mental derangement.
• Shocking; outrageous.
• (of an action or quality) characterized or caused by madness.
• Very foolish.
• In a state of mind which prevents normal perception, behaviour, or social interaction; seriously mentally ill.
• Extremely foolish; irrational.

Synonyms of "Insane" as an adjective (29 Words)

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.

Usage Examples of "Insane" as an adjective

• He had gone insane.
• Insane laughter.
• They were making insane amounts of money.
• She had an insane desire to giggle.
• Took insane risks behind the wheel.
• The peanut butter chocolate is insane.
• A fly whose buzzing had been driving me insane.
• Was declared insane.
• His eyes were glowing with insane fury.

Associations of "Insane" (30 Words)

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.