confidentially
🇺🇸
/ˌkɑːnfɪˈdenʃəli/
🇬🇧
/ˌkɒnfɪˈdenʃəli/
Speaking in a way that keeps something a secret.
She told me confidentially that she is going to retire early.
그녀는 조용히 조기 퇴직할 예정이라고 말했습니다.