unbeknownst to (one)(redirected from unbeknownst to someone)
unbeknownst to (one)
With someone being unaware (of something). Unbeknownst to Jacobson, the other two partners had drawn up the deal in such a way that they would have full control of the company in two years' time. My wife invited her entire family to come stay with us for Christmas—unbeknownst to me.