Definition of "sleeper"
- noun
Someone who sleeps.
A spy, saboteur, or terrorist who lives unobtrusively in a community until activated by a prearranged signal; may be part of a sleeper cell.
A railroad sleeping car.
Something that achieves unexpected success after an interval of time.
A goby-like bottom-feeding freshwater fish of the family Odontobutidae.
A type of pajama for a person, especially a child, that covers the whole body, including the feet.
An automobile which, not too quick out of the factory has been internally modified to excess, while retaining a mostly stock appearance in order to fool opponents in a drag race.
A railroad tie.
A structural beam in a floor running perpendicular to both the joists beneath and floorboards above.
A heavy floor timber in a ship's bottom.
The lowest, or bottom, tier of casks.
- Sources