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

Need another word that means the same as “insanity”? Find 21 synonyms and 30 related words for “insanity” in this overview.

The synonyms of “Insanity” are: madness, insaneness, dementia, dementedness, lunacy, instability, loss of reason, folly, foolishness, foolhardiness, idiocy, stupidity, imbecility, asininity, silliness, senselessness, thoughtlessness, irrationality, illogicality, absurdity, ridiculousness

Insanity as a Noun

Definitions of "Insanity" as a noun

According to the Oxford Dictionary of English, “insanity” as a noun can have the following definitions:

• The state of being seriously mentally ill; madness.
• Extreme foolishness or irrationality.
• Relatively permanent disorder of the mind.

Synonyms of "Insanity" as a noun (21 Words)

absurdity	The quality or state of being ridiculous or wildly unreasonable. Duncan laughed at the absurdity of the situation.
asininity	The quality of being asinine; stupidity combined with stubbornness.
dementedness	Mental deterioration of organic or functional origin.
dementia	Mental deterioration of organic or functional origin.
folly	A stupid mistake. An act of sheer folly.
foolhardiness	The trait of giving little thought to danger.
foolishness	A stupid mistake. Adjusting to an insane society is total foolishness.
idiocy	Extremely stupid behaviour. The idiocy of decimating yew forests.
illogicality	Invalid or incorrect reasoning.
imbecility	Retardation more severe than a moron but not as severe as an idiot.
insaneness	Obsolete terms for legal insanity.
instability	Unreliability attributable to being unstable. She showed increasing signs of mental instability.
irrationality	The state of being irrational; lacking powers of understanding. The sheer irrationality of continuing a policy doomed to failure.
loss of reason	Something that is lost.
lunacy	Obsolete terms for legal insanity. Such an economic policy would be sheer lunacy.
madness	The state of having a serious mental illness. Poetry is a sort of divine madness.
ridiculousness	The quality or state of deserving or inviting derision or mockery. I recognize the sheer ridiculousness of being afraid of something the size of my thumbnail.
senselessness	Total lack of meaning or ideas.
silliness	An impulsive scatterbrained manner. Children will love the sheer silliness of the enterprise.
stupidity	A poor ability to understand or to profit from experience. A comedy of infantile stupidity.
thoughtlessness	The trait of not thinking carefully before acting.

Usage Examples of "Insanity" as a noun

• He suffered from bouts of insanity.
• It might be pure insanity to take this loan.
• The insanities of our time.

Associations of "Insanity" (30 Words)

amok	Wildly frenzied and out of control.
berserk	Frenzied as if possessed by a demon. A man went berserk with an arsenal of guns.
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	(of an angle) appearing absurdly out of place or unlikely. The monument leant at a crazy angle.
daft	Infatuated with. Don t ask such daft questions.
demented	Behaving irrationally due to anger, distress, or excitement. She was demented with worry.
demoniac	Relating to or characteristic of a demon or demons. Demoniac rage.
deranged	Driven insane. A deranged gunman.
disturbed	Having had the normal pattern or functioning disrupted. The treatment of disturbed children.
dumb	Make dumb or unheard silence. He was born deaf dumb and blind.
folly	A theatrical revue with glamorous female performers. Trying to drive through a blizzard is the height of folly.
foolery	Foolish or senseless behavior. We endured his foolery all afternoon.
harebrained	Very foolish. Harebrained ideas.
hubris	Overbearing pride or presumption. The self assured hubris among economists was shaken in the late 1980s.
idiot	A person of subnormal intelligence.
imbecility	A stupid mistake.
indulgence	In the Roman Catholic Church a grant by the Pope of remission of the temporal punishment in purgatory still due for sins after absolution The unrestricted sale of indulgences by pardoners was a widespread abuse during the later Middle Ages. In the Middle Ages the unrestricted sale of indulgences by pardoners became a widespread abuse.
lunacy	Extreme folly or eccentricity. It has been suggested that originality demands a degree of lunacy.
lunatic	An extremely foolish or eccentric person. This lunatic just accelerated out from the side of the road.
mad	Make someone mad. She gets mad when you wake her up so early.
maniac	Wildly disordered. A maniacal frenzy.
mentally	In a manner relating to the mind. Soldiers become physically and mentally exhausted.
nuts	Mad. The way he turns on the television as soon as he walks in drives me nuts.
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.
raving	In a raving manner. She d never been a raving beauty.
silly	Inspiring scornful pity. Don t be a silly.
simpleton	A person lacking intelligence or common sense. Stop grinning at me like a simpleton.
stupidity	The quality of being stupid or unintelligent. I can t believe my own stupidity.
unbalanced	Being or thrown out of equilibrium. This may give an unbalanced impression of the competition.