Thesaurus.com
Dictionary.com
Showing results for sleeper. Search instead for sleepers.
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.

"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

But Dmitri is appalled that Evgeny chose Filet-o-Fish: “Years ago, I was talking to this sleeper agent and he told me, ‘You’re at an American McDonald’s . . . don’t get the Filet-o-Fish.

From The Wall Street Journal • Feb. 26, 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

He previously played a KGB sleeper agent in The Americans, for which he won an Emmy Award for his acting in 2018.

From BBC • Jan. 2, 2026

On the ground the sleeper sat up beneath his furs.

From "A Clash of Kings" by George R.R. Martin