Insanity
/ɪnˈsænɪti/
Definitions
2 meaningsThe state of being seriously mentally ill; madness.
/ɪnˈsænɪti/
He was found not guilty by reason of insanity.
💡 Simply: Imagine someone who's not thinking clearly or acting strangely because their brain is sick. That's kind of like insanity, a serious mental illness. Like, if someone believes they are a superhero, they may be suffering from insanity.
👶 For kids: When someone's mind is not working right, and they can't think or act normally.
More Examples
The doctors diagnosed her with a case of severe insanity.
The constant noise drove him to the brink of insanity.
How It's Used
"The defendant pleaded insanity to avoid prosecution."
"The court ruled that the defendant was suffering from insanity."
Extreme foolishness or recklessness.
/ɪnˈsænɪti/
It would be insanity to try and swim across that river.
💡 Simply: Sometimes, people use 'insanity' to describe something super silly or dangerous, like when someone tries to juggle chainsaws. It's like saying, 'Wow, that's crazy!'
👶 For kids: Doing something that's very silly or dangerous.
More Examples
The plan was sheer insanity; it had no chance of working.
His decision to invest all his money in that company was an act of financial insanity.
How It's Used
"It would be insanity to drive in those weather conditions."
"The budget cuts were pure insanity."
Idioms & expressions
the definition of insanity
Doing the same thing over and over again and expecting different results.
"He keeps failing the test. The definition of insanity is doing the same thing repeatedly and expecting different outcomes."
driven to insanity
Causing someone to go crazy; to be pushed over the edge mentally.
"The loud construction outside my window drove me to insanity."
From Latin *insanitas*, meaning 'unsoundness of mind,' derived from *insanus* ('insane'), which combines *in-* ('not') and *sanus* ('sane, healthy'). The word entered English in the late 14th century.
Historically, 'insanity' was used to describe a range of mental conditions, often viewed through a moral or religious lens. Legal and medical definitions have evolved significantly over time.
Memory tip
Think of the word 'insane.' Insanity is the state of being in an insane condition.