Difference between Enthusiastic and Lukewarm

ENTHUSIASTIC vs LUKEWARM: NOUN

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.

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

Cool, Cold, Feeble, Soured, Weak, Timid, Mixed, Indifferent, Sluggish, Grudging, Enthusiastic, Warm, Halfhearted, Unenthusiastic, Tepid

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

Cool, Cold, Feeble, Soured, Weak, Timid, Mixed, Indifferent, Sluggish, Grudging, Enthusiastic, Warm, Halfhearted, Unenthusiastic, Tepid

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.

But the book was so lukewarm for me.
To soften gelatin in lukewarm liquid before use.
US allies and a lukewarm approach to NATO.
To wash, use lukewarm water and natural soap.
Dow stocks getting mostly lukewarm reviews from analysts.
Charbel really felt his lukewarm Christianity being tested.
Fluffy towel was laid at the bottom of each sink; one filled with lukewarm, soapy water and the other with lukewarm, clean water.
Thaw milk under lukewarm running water, in a container of lukewarm water, or overnight in the refrigerator.
There is only so long you can remain on fire in a lukewarm church before you yourself start to become lukewarm.
Opt for lukewarm showers instead and wash your face with cold to lukewarm water.