unbeknownst

• Fort Fisher was at last taken unbeknownst, as the sailors say, to the blockade-runners at Nassau or Bermuda, at which places the blindest confidence was still felt in everything connected with the fortunes of the South, and where to whisper an opinion that any mishap might happen to Wilmington was positively dangerous. —  Sketches From My Life
• "I know no way to land unbeknownst, as guarded as this globe is, and they always inspect my humble cargoes." —  The Game Of Empire
• He waited in the shadows of time unbeknownst, and bided his time until the millennium had come. —  Timegod's World
• They pretended to think I didna ken; told me I was harboring a murderer unbeknownst, and a threat to the public welfare. —  A Breath of Snow and Ashes
• P.S. When I hear the word unbeknownst, all I think about is Jeff Conway and Daniel Baldwin's confrontation where Daniel said "unbeknownst to Jeff ...." and Jeff just kept screaming "no I fucking did not, take it back". —  radioactive girl

Used in the Same Context