Sleeper
nounverified·updated May 18, 2026
a spy or saboteur or terrorist planted in an enemy country who lives there as a law-abiding citizen until activated by a prearranged signal
Framework senses
- §1
- an unexpected hit
- §2
- tropical fish that resembles a goby and rests quietly on the bottom in shallow water
- §3
- a piece of furniture that can be opened up into a bed
- §4
- pajamas with feet
- §5
- a passenger car that has berths for sleeping
- §6
- one of the cross braces that support the rails on a railway track
- §7
- a rester who is sleeping
- §8
- an unexpected achiever of success
- §9
- a spy or saboteur or terrorist planted in an enemy country who lives there as a law-abiding citizen until activated by a prearranged signal