Sleepster example sentences

sleep·er

noun

sleeper (noun) · sleepers (plural noun) · sleeper agent (noun) · sleeper agents (plural noun)

  - a person or animal who is asleep or who sleeps in a specified way:

  - a train carrying sleeping cars:

  - a sleeping car, or a berth in one.

  - one-piece coverall pajamas for a baby or small child.

  - a sofa or chair that converts into a bed.

  - a movie, book, play, etc., that achieves sudden unexpected success after initially attracting little attention, typically one that proves popular without much promotion or expenditure:

  - an antique whose true value goes unrecognized for some time:

  - a secret agent who remains inactive for a long period while establishing a secure position:

  - a railroad tie.

  - a stocky fish with mottled coloration which occurs widely in warm seas and fresh water.