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sleeper - definition and synonyms

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noun [countable]     sleeper pronunciation in American English
/ˈslipər/
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singularsleeper
pluralsleepers
  1. 1
    someone who is sleeping
  2. 2
    a train with beds for passengers to sleep in
  3. 3
    a movie or a book that becomes very popular although it was not expected to
  4. 4
    British one of the large pieces of wood that support a railroad track
  5. 5
    British a ring that you wear in your ear to prevent the hole from closing
  6. 6

    sleepers

    [plural] American clothes for babies and children to wear to bed that cover all of their body including their feet
 
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