jubilant
adjective uk/ˈdʒuː.bəl.ənt/ us/ˈdʒuː.bəl.ənt/
（尤指因成功而）欢欣的，喜气洋洋的
feeling or expressing great happiness, especially because of a success
The fans were jubilant at/about/over their team's victory. 球迷们为他们的队伍获胜而欢欣雀跃。
Synonym: exultant
Opposites: dejectedsorrowful