Find Synonyms

insaneness Synonyms

Another word for insaneness

Choosing another word for insaneness depends on context, so the 13 synonyms and similar words below are separated across 2 exact definitions and ranked by match strength.
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• noun (Context 1)

Extreme foolishness, irrationality, or utter absurdity in behavior or circumstances.

Usage Example

"Looking back, we laughed at the sheer folly of attempting to hike the mountain peak during a winter blizzard."

Strongest
folly
foolishness
craziness
Strong
absurdity
irrationality
preposterousness
ludicrousness

• noun (Context 2)

The state or quality of being mentally deranged or of unsound mind; madness or insanity.

Usage Example

"The defense attorney argued that the defendant's temporary insanity prevented him from understanding the consequences of his actions."

Strongest
insanity
madness
lunacy
Strong
derangement
dementia
psychosis

Opposites of insaneness

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

sanity
saneness
rationality
sensibleness
reasonableness
prudence
common sense
wisdom
See all opposites of insaneness

• Nearby Words

inrush
insane
insanely
insaneness
insanitary
insanity
insatiable

Cite this Entry

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