Sleeper
WordNet

noun


(1)   An unexpected hit
"That movie was the sleeper of the summer"
(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; worn by children
(5)   A passenger car that has berths for sleeping
(6)   One of the cross braces that support the rails on a railway track
"The British call a railroad tie a sleeper"
(7)   A rester who is sleeping
(8)   An unexpected achiever of success
"The winner was a true sleeper--no one expected him to get it"
(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
WiktionaryText

Noun



  1. Someone who sleeps.
  2. A saboteur or terrorist who lives unobtrusively in a community until activated by a prearranged signal; may be part of a sleeper cell.
  3. A railroad sleeping car.
  4. A horizontal wooden or concrete structural member that supports and ties together railway lines.
  5. Something that achieves unexpected success after an interval of time.
  6. A goby-like bottom-feeding freshwater fish of the family Odontobutidae. Also "sleeper goby."
  7. A type of pajama for a person, especially a child, that covers its whole body, including their feet.
    Aaron, Devin, Ryan H., Cody, Ryan O., Wade, Lisa and Laura looked so comfy in their sleepers.
  8. A structural beam in a floor running perpendicular to both the joists beneath and floorboards above.
  9. An automobile which, not too quick out of the factory has been internally modified to wretched excess, while retaining a mostly stock appearance in order to fool opponents in a drag race.
 
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