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sleeper
mastery/ˈsliːpə(ɹ)/nounverbname
card 1 of 9 · context meaning
Which meaning of 'sleeper' best matches the usage in the sentence?
The intelligence agency discovered a sleeper who had been living in the city for years.
card 1 of 9 · context meaning
Which meaning of 'sleeper' best matches the usage in the sentence?
The intelligence agency discovered a sleeper who had been living in the city for years.