Definition of ebullient adjective from the Oxford Advanced Learner's Dictionary



BrE BrE//ɪˈbʌliənt//
; NAmE NAmE//ɪˈbʌliənt//
; BrE BrE//ɪˈbʊliənt//
; NAmE NAmE//ɪˈbʊliənt//
(formal) Energetic
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full of confidence, energy and good humour The Prime Minister was in ebullient mood. He was accompanied by an ebullient, talkative blonde. The ebullient Mr Clarke was not to be discouraged. She sounded as ebullient and happy as ever. See related entries: Energetic Word Origin late 16th cent. (in the sense ‘boiling’): from Latin ebullient- ‘boiling up’, from the verb ebullire, from e- (variant of ex-) ‘out’ + bullire ‘to boil’.
See the Oxford Advanced American Dictionary entry: ebullient