sleeper
/ˈsliːpə(ɹ)/ noun, verb, proper noun
Forms sleepers sleepering sleepered
- noun Someone who sleeps. “I'm a light sleeper: I get woken up by the smallest of sounds.”
- noun That which lies dormant, as a law.
- noun A spy, saboteur, or terrorist who lives unobtrusively in a community until activated by a prearranged signal; may be part of a sleeper cell.
- noun A small starter earring, worn to prevent a piercing from closing.
- noun A railway sleeping car. “We spent a night on an uncomfortable sleeper between Athens and Vienna.”
- noun (martial arts, wrestling) A sleeper hold.
- noun 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.”
- noun Any member of the family Odontobutidae of goby-like bottom-feeding freshwater fish.
- verb (rare) To mark a calf by cutting its ear.
- noun (rail transport, UK) A railroad tie.
- noun (carpentry) A structural beam in a floor running perpendicular to both the joists beneath and floorboards above.
- noun (nautical) A heavy floor timber in a ship's bottom.
- noun (nautical) The lowest, or bottom, tier of casks.
- proper noun A surname.
Synonyms
sleeper agent sleeper hit sleeper goby tie slumberer railroad tie crosstie sleeping car wagon-lit
Antonyms
Etymology
From Middle English sleper, equivalent to sleep + -er.
Compare Norwegian sleip (“a sleeper (a timber); as adjective, slippery, smooth”). See slape.
Webster’s 1913
- noun One who sleeps; a slumberer; hence, a drone, or lazy person.
- noun That which lies dormant, as a law. [Obs.] Bacon.
- noun Something lying in a reclining posture or position.
Etymology [Cf. Norw. sleip a sleeper (a timber), as adj., slippery, smooth. See Slape.]
Sources: Wiktionary · WordNet 3.0 · Webster’s 1913 — from the Wiktionary entry “sleeper”, CC BY-SA 4.0. Details