ebullient

UK: /ɪˈbʌliənt/, /ɪˈbʊliənt/

US: /ɪˈbʌljənt, ɪˈbʊl-/

US: (i bul′yənt, i bŏŏl′-)

WordReference Random House Learner's Dictionary of American English © 2025

e•bul•lient /ɪˈbʌlyənt, ɪˈbʊl-/   adj. 

1. overflowing with enthusiasm, excitement, or liveliness:
   They were in an ebullient mood as they tackled the new project.
2. bubbling up like a boiling liquid.

e•bul•lience, n. [uncountable]
e•bul•lient•ly, adv. 

WordReference Random House Unabridged Dictionary of American English © 2025

e•bul•lient  (i bul′yənt, i bŏŏl′-), adj. 

1. overflowing with fervor, enthusiasm, or excitement;
   high-spirited:
   The award winner was in an ebullient mood at the dinner in her honor.
2. bubbling up like a boiling liquid.

• Latin ēbullient- (stem of ēbulliēns boiling up, present participle of ēbullīre), equivalent. to ē- e- + bulli- (derivative of bulla a bubble) + -ent- -ent
• 1590–1600

e•bul′lient•ly, adv. 

Collins Concise English Dictionary © HarperCollins Publishers::

ebullient / ɪˈbʌljənt ɪˈbʊl-/ adjective

1. overflowing with enthusiasm or excitement; exuberant
2. boiling

Etymology: 16th Century: from Latin ēbullīre to bubble forth, be boisterous, from bullīre to boil¹

eˈbullience, eˈbulliency noun