unrestrained
🇺🇸
/ˌʌnrɪˈstreɪnd/
🇬🇧
/ˌʌnrɪˈstreɪnd/
not limited or controlled by rules or authority
She expressed her unrestrained excitement when she won the lottery.
她中了彩票时,毫不掩饰地表达了她的兴奋。