inappropriately
🇺🇸
/ˌɪnəˈprəʊpriətli/
🇬🇧
/ˌɪnəˈprəʊpriətli/
in a way that is not right for the time or place
He laughed inappropriately during the serious meeting.
他在嚴肅的會議上不合時宜地笑了起來。