irrepressibly
🇺🇸
/ˌɪrɪˈpresəbli/
🇬🇧
/ˌɪrɪˈpresəbli/
in a way that is very strong and cannot be controlled or stopped
She laughed irrepressibly at the silly joke.
她對這個愚蠢的笑話忍不住大笑。