surreptitiously

Meanings

1. 1
   adv

   in a surreptitious manner

   I was watching them surreptitiously as they waited in the hotel lobby.

2. 2
   adv

   In a surreptitious manner; stealthily, furtively, secretly.

   Hiro and Chuck grab the closest thing they can find to a corner table. Hiro buttonholes a waiter and surreptitiously orders a pitcher of Pub Special, mixed half and half with nonalcoholic beer.

Etymology

From surreptitious + -ly.