Difference between Enthusiastic and Crazy

ENTHUSIASTIC vs CRAZY: NOUN

Immoderately fond; infatuated.
Departing from proportion or moderation, especially.
Mentally deranged.
Affected with madness or insanity
Bizarre or fantastic
Possessed by inordinate excitement
Intensely enthusiastic about or preoccupied with
Foolish; totally unsound
Marked by foolish or unreasoning fondness
Possessed by enthusiasm or excitement.
Unexpected; surprising.
In love; experiencing romantic feelings.
Overly excited or enthusiastic.
Out of control.
Insane; demented.
A bedquilt made of pieces of silk or other material of various sizes, shapes, and colors, fancifully stitched together without definite plan or arrangement.
The bony projection at the end of the elbow (olecranon), behind which passes the ulnar nerve; -- so called on account of the curiously painful tingling felt, when, in a particular position, it receives a blow; -- called also funny bone.
Inordinately desirous; foolishly eager.
Broken, weakened, or dissordered in intellect; shattered; demented; deranged.
Characterized by weakness or feebleness; decrepit; broken; falling to decay; shaky; unsafe.
Foolish or impractical; senseless.
Intensely involved or preoccupied.

Filled with or characterized by enthusiasm, or the conceit of special intercourse with God, or of direct revelations or instructions from him.
Prone to enthusiasm; zealous or devoted; passionate in devotion to a belief or a principle, or the pursuit of an object: as, an enthusiastic reformer.
Elevated; ardent; inspired by or glowing with enthusiasm: as, the speaker addressed the audience in enthusiastic strains.
Synonyms Enthusiastic, Fanatical; eager, zealous, devoted, fervent, passionate, glowing; heated, inflamed, visionary. Enthusiastic is most frequently used with regard to a person whose sympathies or feelings are warmly engaged in favor of any cause or pursuit, and who is full of hope and ardent zeal; while fanatical is generally said of a person who has fantastic and extravagant views on religious or moral subjects, or some similarly absorbing topic. See superstition.

Totally unsound
Foolish
Broken; impaired; dilapidated; weak; feeble: applied to any structure, but especially to a building or to a boat or a coach: as, a crazy old house or vessel.
Broken, weakened, or disordered in intellect; deranged; insane; demented.
Caused by or arising from mental derangement; marked by or manifesting insanity: as, a crazy speech; crazy actions.
(idiom) (like crazy) To an exceeding degree.

Ecstatic, Excited, Passionate, Evangelical, Crazy, Warm, Evangelistic, Great, Glowing, Positive, Overenthusiastic, Zealous, Avid, Eager, Ardent

Impractical, Loving, Sick, Smitten, Enamored, Infatuated, Unhinged, Demented, Gaga, Looney, Loony, Weirdo, Strange, Insane, Mad

Ecstatic, Excited, Passionate, Evangelical, Crazy, Warm, Evangelistic, Great, Glowing, Positive, Overenthusiastic, Zealous, Avid, Eager, Ardent

Impractical, Loving, Sick, Smitten, Enamored, Infatuated, Unhinged, Demented, Gaga, Looney, Loony, Weirdo, Strange, Insane, Mad

However, not all students are enthusiastic about tests.
Enthusiastic ramblings about Enid Blyton and her work!
Publications have been collected by many enthusiastic collectors.
The country was an enthusiastic participant in globalisation.
John is an enthusiastic and diligent software engineer.
Amy Bigelow is one of those enthusiastic parents.
The idea of enthusiastic consent is quite simple.
See for yourself what caused the enthusiastic reviews.
As I read these translations, I at once became more and more enthusiastic about Villon, and less and less enthusiastic about the translations.
He was always enthusiastic about his subject and made me interested and enthusiastic as well.

And now our gd government has gone crazy.
And I miss you like crazy, I miss you like crazy.
She was crazy, as crazy as he was, and just as needy.
The idea is definitely crazy, but if it is crazy enough to be true?
Brown just thought somebody had to do something; he was driven crazy by the crazy system of slavery.
People called her crazy, and to be fair she must have seemed crazy.
He was, even more than Nero, most likely crazy, certifiably crazy.
MY HERO ACADEMIA biggest FAN LOL THAT WAS CRAZY, CRAZY AWESOME.
Losing weight like crazy an about going crazy!
Seems crazy, but clearly its me that is crazy!