Covertly

The detective followed the suspect covertly, keeping a safe distance to avoid being detected.

The protestors covertly planned their next demonstration.

She covertly listened to her parents' conversation from the next room.

The children giggled covertly as they planned a surprise party for their mother.

The magician performed the trick covertly, hiding the cards up his sleeve.

The artist covertly included political messages in his paintings.

The spy communicated covertly with her handler using coded messages.

The teenager covertly borrowed his father's car without permission.

The politician covertly accepted bribes in exchange for political favors.

The thief covertly slipped the wallet out of the victim's pocket.

She covertly smiled at her crush from across the room.

The protesters covertly planned their next demonstration.

The hacker covertly accessed confidential files on the company's server.