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sleeper cell

American  
[slee-per sel] / ˈsli pər ˌsɛl /

noun

sleeper cells plural
  1. an organized group of undercover individuals, especially those involved in espionage or terrorist activities.


Other Word Forms

Inflected Forms

noun

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.

Her group, the Stonehenge Alliance, which had become something of a sleeper cell, snapped back into action, writing to ministers even before the new scheme was announced by David Cameron in December 2014.

From The Guardian • Feb. 8, 2019

"Why did you want to be put in a sleeper cell?" asked Mr Bhajwa.

From BBC • Jul. 2, 2018

If the jihadi group wanted a sleeper cell in Birmingham, it wouldn’t have needed Muthana to pack her bags.

From Slate • Nov. 16, 2015

Deep down, though, you have to wonder if he is some sort of one-man sleeper cell planted across town by José Mourinho just to torment Arsène Wenger.

From New York Times • Aug. 6, 2015

You're a --" I fished in my memory for vocabulary words culled from spy thrillers -- "you're a sleeper cell.

From Little Brother by Doctorow, Cory

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