Crazy vs. Insane — What's the Difference?

Difference Between Crazy and Insane
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Definitions
Crazy➦
Mad, especially as manifested in wild or aggressive behaviour
Stella went crazy and assaulted a visitor
A crazy look
Insane➦
Of, exhibiting, or afflicted with mental derangement. Not used in psychiatric diagnosis.
Crazy➦
Extremely enthusiastic
I'm crazy about Cindy
A football-crazy bunch of boys
Insane➦
Characteristic of or associated with persons who are mentally deranged
An insane laugh.
Insane babbling.
Crazy➦
(of an angle) appearing absurdly out of place or unlikely
The monument leant at a crazy angle
Insane➦
Intended for use by such persons
An insane asylum.
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Crazy➦
Extremely
I've been crazy busy
Insane➦
Having been determined to be in a condition that meets the legal definition of insanity.
Crazy➦
A mad person
Keep that crazy away from me
Insane➦
Immoderate; wild
Insane jealousy.
Crazy➦
Mentally deranged.
Insane➦
Very foolish; absurd
Took insane risks behind the wheel.
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Crazy➦
(Informal) Odd or eccentric in behavior.
Insane➦
Exhibiting unsoundness or disorder of mind; not sane; utterly mad.
Crazy➦
Possessed by enthusiasm or excitement
The crowd at the game went crazy.
Insane➦
Used by or relating to insane people.
An insane hospital
An insane asylum
Crazy➦
Immoderately fond; infatuated
Was crazy about boys.
Insane➦
Causing insanity or madness.
Crazy➦
Intensely involved or preoccupied
Is crazy about cars and racing.
Insane➦
(informal) Characterized by insanity or the utmost folly; ridiculous; impractical.
An insane plan
An insane amount of money
Crazy➦
Foolish or impractical; senseless
A crazy scheme for making quick money.
Insane➦
(slang) Extremely good; incredibly amazing.
That guy is insane at FPS games.
Crazy➦
Intensely annoyed or irritated
It makes me crazy when you don't tell me you're going to be late.
Insane➦
Exhibiting unsoundness or disorder of mind; not sane; mad; deranged in mind; delirious; distracted. See Insanity, 2.
Crazy➦
Disorderly or askew
One of the old window shutters hung at a crazy angle.
Insane➦
Used by, or appropriated to, insane persons; as, an insane hospital.
Crazy➦
(Informal) Extremely; very
That restaurant's always crazy busy on weekends, but it's worth the wait.
Insane➦
Causing insanity or madness.
Or have we eaten on the insanerootThat takes the reason prisoner ?
Crazy➦
One who is or appears to be mentally deranged
"To them she is not a brusque crazy, but 'appropriately passionate'" (Mary McGrory).
Insane➦
Characterized by insanity or the utmost folly; chimerical; unpractical; as, an insane plan, attempt, etc.
I know not which was the insane measure.
Crazy➦
Of unsound mind; insane; demented.
His ideas were both frightening and crazy.
Insane➦
Afflicted with or characteristic of mental derangement;
Was declared insane
Insane laughter
Crazy➦
Out of control.
When she gets on the motorcycle she goes crazy.
Insane➦
Very foolish;
Harebrained ideas
Took insane risks behind the wheel
A completely mad scheme to build a bridge between two mountains
Crazy➦
Very excited or enthusiastic.
He went crazy when he won.
Crazy➦
In love; experiencing romantic feelings.
Why is she so crazy about him?
Crazy➦
(informal) Very unexpected; wildly surprising.
The game had a crazy ending.
Crazy➦
(obsolete) Flawed or damaged; unsound, liable to break apart; ramshackle.
Crazy➦
(obsolete) Sickly, frail; diseased.
Crazy➦
(slang) Very, extremely.
That trick was crazy good.
Crazy➦
An insane or eccentric person; a crackpot.
Crazy➦
Eccentric behaviour; lunacy; craziness.
Crazy➦
Characterized by weakness or feebleness; decrepit; broken; falling to decay; shaky; unsafe.
Piles of mean andcrazy houses.
One of great riches, but a crazy constitution.
They . . . got a crazy boat to carry them to the island.
Crazy➦
Broken, weakened, or dissordered in intellect; shattered; demented; deranged.
Over moist and crazy brains.
Crazy➦
Inordinately desirous; foolishly eager.
The girls were crazy to be introduced to him.
Crazy➦
Someone deranged and possibly dangerous
Crazy➦
Affected with madness or insanity;
A man who had gone mad
Crazy➦
Foolish; totally unsound;
An impractical solution
A crazy scheme
Half-baked ideas
A screwball proposal without a prayer of working
Crazy➦
Marked by foolish or unreasoning fondness;
She was crazy about him
Gaga over the rock group's new album
He was infatuated with her
Crazy➦
Possessed by inordinate excitement;
The crowd went crazy
Was crazy to try his new bicycle
Crazy➦
Bizarre or fantastic;
Had a crazy dream
Wore a crazy hat
Crazy➦
Intensely enthusiastic about or preoccupied with;
Crazy about cars and racing