unbeknownst

In reality, he and been off in Argentina with his girlfriend, unbeknownst to his wife.

Unbeknownst to him, the orb contains an Infinity Stone, which holds within it the power to destroy entire planets.

Unbeknownst to Rullo, Scotto had not only been caught by the feds but agreed to cooperate with them.

So, jealous Megan cuts the mom-to-be a check and sends her packing—unbeknownst to Don.

Unbeknownst to Butler, that issue already existed—and Westbrook was, naturally, its cover star.

His Majesty found that the Forge was not a bad residence for a King living unbeknownst.

Writing unbeknownst to her folks, with loose talk about her on the side, is another thing altogether.

However, she knew he did; so she slipped into the house unbeknownst, stole up to the giant's room, and crept in behind the bed.

Yer's been puttin' cotton in my baskit unbeknownst ter save me some lashes, an' yer throw'd it up ter me yistiddy.

Me blood was up whin I seen this spalpeen wid his dirty set o' vagabones waitin' to murther me if they ketched me unbeknownst.