Synonyms for Enthusiastic:
Positive:
* Eager: Showing a strong desire to do something.
* Passionate: Having or showing strong feelings about something.
* Ardent: Very enthusiastic or passionate.
* Zealous: Having or showing great energy and enthusiasm in pursuit of a cause or objective.
* Rapturous: Feeling or expressing great pleasure or joy.
* Animated: Full of life and energy; lively.
* Excited: Feeling or showing strong and happy emotion.
* Spirited: Full of energy and enthusiasm; lively.
* Fired up: Filled with enthusiasm and eagerness.
* Riveted: Completely engrossed or captivated.
* Engrossed: Completely fascinated by something.
* Keen: Eager or very interested in something.
* Thrilled: Feeling or showing great excitement and pleasure.
* Jubilant: Feeling or expressing great joy.
* Elated: Very happy and excited.
Neutral:
* Interested: Showing curiosity or a desire to learn more.
* Motivated: Having a strong reason to do something.
Antonyms for Enthusiastic:
Negative:
* Apathetic: Showing or feeling no interest, enthusiasm, or concern.
* Indifferent: Not interested in or concerned about something.
* Uninterested: Not showing any interest.
* Disengaged: Not involved or interested in something.
* Listless: Having or showing a lack of energy or enthusiasm.
* Dull: Lacking interest or excitement.
* Bored: Feeling tired and restless because of a lack of interest or excitement.
* Disheartened: Made less enthusiastic or hopeful.
* Disillusioned: Disappointed in someone or something that one had admired.
Neutral:
* Neutral: Not showing any strong feelings or opinions.
* Objective: Based on facts rather than emotions.
* Unbiased: Not influenced by personal feelings or opinions.
These are just some examples, and the best synonym or antonym will depend on the specific context.