sleeper

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[edit] English

This entry lacks etymological information. If you are familiar with the origin of this word, please add it to the page as described here.

sleeper (plural sleepers)

Someone who sleeps.

I'm a light sleeper, I get woken up by the smallest of sounds.

She's a heavy sleeper, it takes a lot to wake her up.
A 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.

We spent a night on an uncomfortable sleeper between Athens and Vienna.
(rail transport, UK) A railroad tie.

The short wooden bars are sleepers, and the long metal bars are railway lines.
Something that achieves unexpected success after an interval of time.

A box-office bomb when it first came out, the film was a sleeper, becoming much more popular decades after being released.
A goby-like bottom-feeding freshwater fish of the family Odontobutidae. Also "sleeper goby."
A type of pajama for a person, especially a child, that covers its whole body, including their feet.

Aaron, Devin, and Laura looked so comfy in their sleepers.
A structural beam in a floor running perpendicular to both the joists beneath and floorboards above.
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.