noun
a rester who is sleeping
Synonyms
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
Examples
- the winner was a true sleeper--no one expected him to get it
noun
one of the cross braces that support the rails on a railway track
Synonyms
Examples
- the British call a railroad tie a sleeper
noun
a passenger car that has berths for sleeping
Synonyms
sleeping car
wagon-lit
noun
pajamas with feet
Examples
- worn by children
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
Synonyms
sleeper goby
noun
an unexpected hit
Examples
- that movie was the sleeper of the summer