Crazy vs. Excited: What's the Difference?

Crazy and Excited Definitions
Crazy
Mentally deranged.
Excited
Being in a state of excitement; emotionally aroused; stirred.
Crazy
(Informal) Odd or eccentric in behavior.
Excited
(Physics) Being at an energy level higher than the ground state.
Crazy
Possessed by enthusiasm or excitement
The crowd at the game went crazy.
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Excited
Having great enthusiasm.
He was very excited about his promotion.
Crazy
Immoderately fond; infatuated
Was crazy about boys.
Excited
(physics) Being in a state of higher energy.
The excited electrons give off light when they drop to a lower energy state.
Crazy
Intensely involved or preoccupied
Is crazy about cars and racing.
Excited
Having an erection; erect.
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Crazy
Foolish or impractical; senseless
A crazy scheme for making quick money.
Excited
Sexually aroused.
Crazy
Intensely annoyed or irritated
It makes me crazy when you don't tell me you're going to be late.
Excited
Past participle of excite
Crazy
Disorderly or askew
One of the old window shutters hung at a crazy angle.
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Excited
In an aroused state
Crazy
(Informal) Extremely; very
That restaurant's always crazy busy on weekends, but it's worth the wait.
Excited
Of persons; excessively affected by emotion;
He would become emotional over nothing at all
She was worked up about all the noise
Crazy
One who is or appears to be mentally deranged
"To them she is not a brusque crazy, but 'appropriately passionate'" (Mary McGrory).
Excited
Marked by uncontrolled excitement or emotion;
A crowd of delirious baseball fans
Something frantic in their gaiety
A mad whirl of pleasure
Crazy
Of unsound mind; insane; demented.
His ideas were both frightening and crazy.
Excited
Of e.g. a molecule; made reactive or more reactive
Crazy
Out of control.
When she gets on the motorcycle she goes crazy.
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