The difference between Crazy and Nutso

When used as nouns, crazy means an insane or eccentric person, whereas nutso means crazy person.

When used as adverbs, crazy means very, extremely, whereas nutso means madly.

When used as adjectives, crazy means insane, whereas nutso means crazy, insane.

check bellow for the other definitions of Crazy and Nutso

Crazy as an adjective:

Insane; lunatic; demented.

Examples:

"His ideas were both frightening and crazy."
Crazy as an adjective:

Out of control.

Examples:

"When she gets on the motorcycle she goes crazy."
Crazy as an adjective:

Overly excited or enthusiastic.

Examples:

"He went crazy when he won."
Crazy as an adjective:

In love; experiencing romantic feelings.

Examples:

"Why is she so crazy about him?"
Crazy as an adjective (informal):

Very unexpected; wildly surprising.

Examples:

"The game had a crazy ending."
Crazy as an adjective:

Characterized by weakness or feebleness; decrepit; broken; falling to decay; shaky; unsafe.

Crazy as an adverb (slang):

Very, extremely.

Examples:

"That trick was crazy good."

Nutso as an adjective (colloquial):

Crazy, insane.
Nutso as an adjective (colloquial):

Fraught or out of control.
Nutso as an adjective (colloquial):

Obsessed; overly enthusiastic.
Nutso as an adjective (colloquial):

Ridiculous; unbelievable or silly.

Nutso as a noun (colloquial, countable):

Crazy person; crackpot or lunatic.
Nutso as a noun (colloquial, uncountable):

Craziness; insanity.