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sleeper cell

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

noun

plural

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


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.

Natasha, Yelena, and their “parents” were sent to Ohio to be Russian sleeper cell agents and send info back to their home country.

From Slate • Jul. 8, 2021

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

The new story branches quickly into multiple threads in classic “24” fashion, briefly visiting a high school that might be linked to a sleeper cell and also setting up possible romantic entanglements.

From New York Times • Feb. 2, 2017

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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