sleepers - definition, thesaurus and related words from WordNet-Online

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Noun sleeper has 8 senses

sleeper, slumberer - a rester who is sleeping
--₁ is a kind of pajamas, pyjamas, pj's, jammies; rester; pajamas, pyjamas, pj's, jammies; rester
--₁ has particulars:
dreamer; Rip van Winkle; sleeping beauty; sleepwalker, somnambulist, noctambulist; snorer; somniloquist

Derived form: verb sleep₁
sleeper - 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
--₂ is a kind of spy, undercover agent; saboteur, wrecker, diversionist; terrorist; spy, undercover agent; saboteur, wrecker, diversionist; terrorist
--₂ is a member of sleeper nest
sleeper - an unexpected achiever of success; "the winner was a true sleeper--no one expected him to get it"
--₃ is a kind of achiever, winner, success, succeeder; achiever, winner, success, succeeder
tie, railroad tie, crosstie, sleeper - one of the cross braces that support the rails on a railway track; "the British call a railroad tie a sleeper"
--₄ is a kind of brace, bracing; brace, bracing
--₄ is a part of railroad track, railroad, railway
sleeping car, sleeper, wagon-lit - a passenger car that has berths for sleeping
--₅ is a kind of passenger car, coach, carriage; passenger car, coach, carriage
--₅ has parts: drawing room; roomette
Derived form: verb sleep₂
sleeper - a piece of furniture that can be opened up into a bed
--₆ is a kind of furniture, piece of furniture, article of furniture; furniture, piece of furniture, article of furniture

Derived form: verb sleep₂
sleeper, sleeper goby - tropical fish that resembles a goby and rests quietly on the bottom in shallow water
--₇ is a kind of percoid fish, percoid, percoidean; percoid fish, percoid, percoidean
--₇ is a member of Eleotridae, family Eleotridae
sleeper - an unexpected hit; "that movie was the sleeper of the summer"
--₈ is a kind of hit, smash, smasher, strike, bang; hit, smash, smasher, strike, bang