unbeknownst
/ˌʌnbɪˈnoʊnst/
adjective
- Without someone's knowledge; unknown to someone. (Same meaning as 'unbeknown', but less common.)
- Unbeknownst to the team, their manager had already resigned.
- Unbeknownst to him, his friends were planning a surprise party.
- She continued her journey, unbeknownst to the dangers ahead.
Antonyms