He made a surreptitious recording with a concealed hand-held machine.
She completed the assignment in a surreptitious, secret manner.
There was a lot of surreptitious advertising for the hidden cafe!
I feel very surreptitious walking around this place; it is a very catholic hospital.
In 1531 the Book of Jonah appeared with an important and highly interesting prologue, the only copy known of which is in the British Museum.6 Meanwhile the demand for New Testaments, for reading or for the flames, steadily increased, and the printers found it to their advantage to issue the Worms edition of the New Testament in not less than three surreptitious reprints before 1534.