Children's, Intermediate and Advanced Online English Dictionary & Thesaurus

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sleeper

sleep·er

sleeper

 
 
pronunciation:
sli pr
features:
Word Combinations (noun)
part of speech: noun
definition 1: a person or thing that sleeps.
definition 2: a railroad passenger car designed for sleeping.
They booked a sleeper for the long trip.
definition 3: anyone or anything that succeeds unexpectedly, esp. after having been unnoticed or obscure.
The low-budget film was a sleeper that made millions.
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