ebullient
adjective /ɪˈbʌliənt/, /ɪˈbʊliənt/
/ɪˈbʌliənt/, /ɪˈbʊliənt/
(formal)- 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.
Word Originlate 16th cent. (in the sense ‘boiling’): from Latin ebullient- ‘boiling up’, from the verb ebullire, from e- (variant of ex-) ‘out’ + bullire ‘to boil’.