Synonyms for Ebullience:
Positive:
* Exuberance: Overflowing with enthusiasm and excitement.
* Vivacity: Lively and spirited.
* Enthusiasm: Strong interest and excitement.
* Effervescence: Bubbling over with energy and excitement.
* Animation: Full of life and spirit.
* Joviality: Cheerful and good-humored.
* Sprightliness: Lively and spirited.
* Vitality: Full of energy and life.
* Zeal: Great energy or enthusiasm in pursuit of a cause.
Neutral:
* Excitement: A feeling of great enthusiasm and eagerness.
* Passion: A strong feeling of enthusiasm or excitement for something.
Negative:
* Overexcitement: Too much excitement, bordering on hysteria.
* Hysteria: Uncontrollable emotion or excitement.
* Mania: An excessive enthusiasm or excitement.
Antonyms for Ebullience:
* Apathy: Lack of interest, enthusiasm, or concern.
* Indifference: Lack of interest or concern.
* Lethargy: Lack of energy and enthusiasm.
* Sluggishness: Slowness and lack of energy.
* Depressed: Low in spirits and enthusiasm.
* Melancholy: A state of pensive sadness.
* Quietude: Stillness and calmness.
* Tranquility: A state of peace and quiet.
* Composure: Calmness and self-control.
These are just a few examples, and the best synonym or antonym to use will depend on the specific context.