Definitions
There is 1 meaning of the phrase
Sleeper Cell.
Sleeper Cell - as a noun
A cell of sleepers
Example: "An al-qaeda sleeper cell may have used arizona as its base"
Example Sentences
"The authorities discovered a sleeper cell responsible for the recent terrorist attacks."
"Intelligence agencies are constantly monitoring suspected sleeper cells."
"The sleeper cell was successfully infiltrated and neutralized by an undercover agent."
"It is believed that the organization has established sleeper cells in multiple countries."
"The sleeper cell remained dormant for years before being activated for a specific mission."
