From Longman Dictionary of Contemporary Englishjubilantjub‧i‧lant /ˈdʒuːbələnt/ adjectiveHAPPYSUCCESSFULextremely happy and pleased because of a success
Radicals were jubilant at getting rid of him.
The fans were in jubilant mood as they left the stadium. —jubilantly adverbExamples from the Corpusjubilant• The jubilant fans lifted the players up on their shoulders.• a jubilantsmileOriginjubilant(1600-1700)Latin present participle of jubilare“to call out, shout because you are happy”
