sleeper   (Sound)

The noun sleeper has 9 senses

• sleeper, slumberer -- (a rester who is sleeping)


• sleeper -- (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)


• sleeper -- (an unexpected achiever of success; "the winner was a true sleeper--no one expected him to get it")


• tie, railroad tie, crosstie, sleeper -- (one of the cross braces that support the rails on a railway track; "the British call a railroad tie a sleeper")


• sleeping car, sleeper, wagon-lit -- (a passenger car that has berths for sleeping)


• sleeper -- (pajamas with feet; worn by children)


• sleeper -- (a piece of furniture that can be opened up into a bed)


• sleeper, sleeper goby -- (tropical fish that resembles a goby and rests quietly on the bottom in shallow water)


• sleeper -- (an unexpected hit; "that movie was the sleeper of the summer")