If you are jubilant, you feel extremely happy because of a success.
例句
Ferdinand was jubilant after making an impressive comeback from a month on the injured list.費(fèi)迪南德受傷休養(yǎng)了一個(gè)月，重新歸隊(duì)后表現(xiàn)非常出色，他簡(jiǎn)直高興極了。...the jubilant crowds of Paris.巴黎歡騰的人群
英漢詞典釋義
adj.
興高采烈的, 喜氣洋洋的
The whole nation is jubilant.舉國(guó)上下一片歡騰。
英英詞典釋義
Adjective
1. joyful and proud especially because of triumph or success;
"rejoicing crowds filled the streets on VJ Day""a triumphal success""a triumphant shout"