Apparently, the observed talismanic activity is subtle sorcery and done covertly.
As he maneuvered the truck through muddy ruts in the drive, she covertly studied his profile.
In the Labyrinth (dedicated to Queen Elizabeth of England), a discussion of the freedom of the will, he covertly assailed the Calvinistic doctrine of predestination, and showed that his views were tinged with Socinianism.
It was one thing to covertly admire Alex, but quite another to stand here discussing him as though he were high dollar merchandise at a low bid auction... and why was Katie so concerned?
She covertly accepted the copied transcriptions of the young woman's notebook that Cynthia presented to her.
She eyed Giddon covertly.
The Amatola mountains were stormed; and the paramount chief Kreli, who all along covertly assisted the Gaikas, was severely punished.
These patches can not be covertly removed and they will detect any drug that has been used while the patch was in place.