insincerely
🇺🇸
/ˌɪnsɪnˈsɪrli/
🇬🇧
/ˌɪnsɪnˈsɪəli/
not genuine or honest in what you say or do
He apologized insincerely for being late to the meeting.
그는 회의에 늦은 것에 대해 불성실하게 사과했다.