Scrabble?! SLEEPER

Definitions of SLEEPER in various dictionaries:

noun - a rester who is sleeping

noun - 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

noun - an unexpected achiever of success

noun - one of the cross braces that support the rails on a railway track

noun - a passenger car that has berths for sleeping

noun - pajamas with feet

noun - a piece of furniture that can be opened up into a bed

noun - tropical fish that resembles a goby and rests quietly on the bottom in shallow water

noun - an unexpected hit

One that sleeps: a heavy sleeper who was not wakened by the cat burglar.

A sleeping car.

Children’s pajamas, usually with legs that cover the feet.

One that achieves unexpected recognition or success, as a racehorse, a movie, or a marketed product.

A spy or saboteur who is planted in an enemy country and who lives unobtrusively as a citizen of that country until activated into clandestine operations by a prearranged signal.

A horizontal structural member on or near the ground that supports weight.

A railroad crosstie.

Any of various usually small marine and freshwater fishes of the family Eleotridae, related to the gobies but lacking a sucking disk and noted for their habit of lying immobile.

verb - to be in a natural, periodic state of rest