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Definitions

sleeper

[slee-per] / ˈsli pər /


NOUN
late bloomer
Synonyms
Antonyms






Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

“The sleeper pick here is Richard Gadd, who benefits from his show airing later in the cycle,” says Trey Mangum.

From Los Angeles Times • May 19, 2026

"This suggests that dreaming may reshape how brain activity is interpreted by the sleeper: the more immersive the dream, the deeper the sleep feels."

From Science Daily • Mar. 26, 2026

AI systems can harbor sleeper agents, trained to behave perfectly under evaluation and activate under specific conditions without detection.

From The Wall Street Journal • Mar. 2, 2026

“This was a sleeper issue that people did not pay much attention to before the pandemic. Then things got extremely intense,” Saver said.

From Salon • Jan. 9, 2026

On one sleeper in particular, though, she found an undue portion of her attention fix, without her even meaning it to.

From "Strange the Dreamer" by Laini Taylor




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