A rester who is sleeping.
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.
An unexpected achiever of success.
One of the cross braces that support the rails on a railway track:
— The British call a railroad tie a sleeper.
Dutch: biel, dwarsligger, spoorbalk, spoorbiels
Polish: podkład, podkład kolejowy
A passenger car that has berths for sleeping.
Polish: sleeping, kuszetka, wagon sypialny, sliping
Pajamas with feet; worn by children.
A piece of furniture that can be opened up into a bed.
Tropical fish that resembles a goby and rests quietly on the bottom in shallow water.
synonym: sleeper goby.
An unexpected hit.
Moby thesaurus: Amytal, Amytal pill, Demerol, Dolophine, H, Luminal, Luminal pill, M, Mickey Finn, Nembutal, Nembutal pill, Pullman, Pullman car, Seconal, Seconal pill, Tuinal, Tuinal pill, alcohol, amobarbital sodium, analgesic ... show more.
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