DictionaryebullientLively enthusiasm
adjective

ebullient

ih-BUL-yunt/ɪˈbʌliənt/

Cheerful and full of enthusiasm

Our ebullient host welcomes everyone with a broad smile.

An exuberantly cheerful young man welcomes a arriving friend, springing forward with a broad open smile and arms spread wide; the friend's quieter smile makes the central man's overflowing enthusiasm especially clear.
Etymology

The pieces give the image of bubbling out or boiling over. Originally describing boiling, ebullient came to describe enthusiasm and energy that seem to overflow.

More examples

  • She sounds ebullient whenever she talks about her new job.
  • The team's victory put him in an ebullient mood.
  • Even on rainy mornings, our ebullient neighbor waves and chats.

Forms

ebullient · more ebullient · most ebullient

ebullience noun — Lively cheerfulness and overflowing enthusiasm.

ebulliently adverb — In a cheerful and enthusiastic manner.

Similar words

exuberant
Suggests abundant energy and excitement, often expressed more physically.
buoyant
Emphasizes optimism and resilience rather than outward excitement.
enthusiastic
Shows strong interest or eagerness, without necessarily suggesting cheerfulness.