Difference between Enthusiastic and Interested

ENTHUSIASTIC vs INTERESTED: NOUN

Having or showing interest; especially curiosity or fascination or concern
Having or showing curiosity, fascination, or concern.
Possessing a right, claim, or stake.
Having the attention engaged; having emotion or passion excited.
Having an interest; concerned in a cause or in consequences; liable to be affected or prejudiced.
Having or showing interest.
Motivated by considerations of self-interest; self-serving.
Owning a share of a company.
Involved in or affected by or having a claim to or share in

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.

Having an interest or share; having money involved: as, one interested in the funds.
Concerned in a cause or in consequences; hence, biased by personal considerations; concerned chiefly for one's private advantage; also, springing from or influenced by self-interest or selfishness: as, an interested witness.

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

Wishing, Relevant, Attractive, Focused, Desiring, Committed, Engaged, Enthusiastic, Keen, Desirous, Receptive, Fascinated, Curious, Concerned, Involved

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

Willing, Wishing, Relevant, Attractive, Focused, Committed, Engaged, Enthusiastic, Keen, Desirous, Receptive, Fascinated, Curious, Concerned, Involved

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.

ANAKIN: You seem quite interested in public service.
Would international schools be interested in my background?
Those who are interested may contact Datta temple.
Weltz personally is not interested in these experiments.
You might be interested in shortening your term.
President Trump was only interested in Ukraine aid.
What type of immigration are you interested in?
While they both are interested in telling us who created everything, neither are interested in telling us how he did it.
It will leave a bad impression and only make the interviewer more interested in your salary history and possibly less interested in you.
Transco states that copies of the filing are being mailed to each of its affected customers, interested State Commissions and other interested parties.