surreptitiously

His innovation, as I am far from the first to observe, is to do publicly what his predecessors have done surreptitiously.

Firstly, a recording, especially one done surreptitiously, is not a legal document.

Was it the night when, despite my atrial fibrillation, I went for broke and surreptitiously swallowed a half-dose of generic Viagra?

The film preaches that message, while “Peacemaker” surreptitiously places the audience inside its version of a “What If . . .” simulation.

After letting him in, she surreptitiously recorded the deputy standing in her living room, talking to her children.