SLEEPER Synonyms: 6 Similar and Opposite Words

sleeper

noun

ˈslē-pər

Definition of sleeper

as in slumberer

one who sleeps she's a light sleeper and usually wakes up when I get in late

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Recent Examples of sleeper Positional wedge pillows can help back-sleepers by elevating the head and upper body. — Lauren Schuster, Sacbee.com, 24 Sep. 2026 Smart Nora uses a sensor to detect snoring and inflates a pad under the pillow to shift the sleeper’s position. — Lauren Schuster, Charlotte Observer, 24 Sep. 2026 What player can be the sleeper/X factor on the playoff teams? — Shakeia Taylor, New York Times, 15 Sep. 2026 The Cougars played for the title a season ago and are widely expected to do so again, but the Wildcats are a popular sleeper pick by some conference watchers. — Eddie Timanus, USA Today, 11 Sep. 2026 See All Example Sentences for sleeper

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sleep

sleeper

sleepers

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“Sleeper.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/sleeper. Accessed 9 Oct. 2026.

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Synonyms of sleeper

noun

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