Sleeper meaning

slēpər
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One that sleeps.

A heavy sleeper who was not wakened by the burglar.

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A sleeping car.
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Children's pajamas, usually with legs that cover the feet.
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A horizontal structural member on or near the ground that supports weight.
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(chiefly british) A railroad crosstie.
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Any of various chiefly tropical fishes of the family Eleotridae of fresh, brackish, and shallow marine waters, resembling the gobies but without fused pelvic fins and noted for their habit of lying immobile.
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A person or animal that sleeps, esp. as specified.

A sound sleeper.

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(chiefly brit.) A tie supporting a railroad track.
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A sofa or upholstered chair designed to convert easily to a bed, typically by means of a built-in foldout cot beneath its cushions.
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A previously disregarded person or thing that unexpectedly achieves success, assumes importance, etc.
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(bowling) A pin standing directly behind, and hidden by, another after the first bowl of a frame.
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Of or having to do with a sleeper.

A sleeper cell.

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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.

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That which lies dormant, as a law.

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A spy, saboteur, or terrorist who lives unobtrusively in a community until activated by a prearranged signal; may be part of a sleeper cell.
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A railroad sleeping car.

We spent a night on an uncomfortable sleeper between Athens and Vienna.

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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.

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A goby-like bottom-feeding freshwater fish of the family Odontobutidae.
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A nurse shark.
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A type of pajama for a person, especially a child, that covers the whole body, including the feet.

Aaron, Devin, and Laura looked so comfy in their sleepers.

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(slang) 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, or to avoid the attention of the police.
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(rail transport, UK) A railroad tie.
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(carpentry) A structural beam in a floor running perpendicular to both the joists beneath and floorboards above.
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(nautical) A heavy floor timber in a ship's bottom.
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(nautical) The lowest, or bottom, tier of casks.
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Origin of sleeper

  • Compare Norwegian sleip (“a sleeper (a timber); as adjective, slippery, smooth"). See slape.

    From Wiktionary

  • sleep +"Ž -er

    From Wiktionary