Find Synonyms

insanity Synonyms

Another word for insanity

Choosing another word for insanity depends on context, so the 17 synonyms and similar words below are separated across 3 exact definitions and ranked by match strength.
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• noun (Context 1)

Extreme foolishness, irrationality, or a wildly reckless action or policy.

Usage Example

"Attempting to cross the mountain pass during a severe blizzard would be sheer folly."

Strongest
folly
madness
Strong
foolishness
absurdity
idiocy
lunacy
craziness
irrationality

• noun (Context 2)

The state of being seriously mentally ill or of unsound mind; specifically, in law, a degree of mental impairment that prevents a person from distinguishing right from wrong and absolves them of legal responsibility.

Usage Example

"The defense attorney entered a plea of not guilty by reason of madness on behalf of the defendant."

Strongest
madness
lunacy
derangement
Strong
dementia
psychosis
Weak
delirium

• noun (Context 3)

A state of extreme chaos, frenzied activity, or overwhelming disorder.

Usage Example

"The holiday shopping rush at the downtown mall quickly descended into total pandemonium."

Strong
pandemonium
bedlam
chaos
mayhem
frenzy
craziness

Opposites of insanity

The opposite of insanity shifts depending on context. Common opposites include:

sanity
wisdom
prudence
calm
order
common sense
tranquility
sensibleness
See all opposites of insanity

• Nearby Words

insanely
insaneness
insanitary
insanity
insatiable
insatiably
inscribe

Cite this Entry

Wordmom. (2026). Synonyms for Insanity. In Wordmom Thesaurus. Retrieved Nov 5, 2026, from https://wordmom.com/synonyms/insanity
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