jubilant

形容词 jubilant:

1. joyful and proud especially because of triumph or success
   同义词：exultant, exulting, prideful, rejoicing, triumphal, triumphant
2. full of high-spirited delight
   同义词：elated, gleeful, joyful

1. Full of jubilant delight; joyful.
   充满欢喜的; 快乐的
2. Liverpool were in a jubilant mood after their cup victory.
   利物浦队夺得优胜杯後喜气洋洋。

ju.bi.lant

adj.（形容词）
Exultingly joyful.
欢腾的，欢欣的，喜气洋洋的
Expressing joy.
显示出快乐的，表达欢乐的

来源：
Latin iôbil3ns iôbilant- [present participle of] iôbil3re [to raise a shout of joy]
拉丁语 iôbil3ns iôbilant- [] iôbil3re的现在分词 [发出欢乐的喊声，欢呼]

【引伸】
ju.bilance
n.（名词）
ju.bilantly
adv.（副词）