HomeServicesBlogDictionariesContactSpanish Course
← Back to search

Meaning of sleeper cell | Babel Free

Noun CEFR B2

Definitions

A group of people (sleepers) who inconspicuously remain dormant in a community until activated, by a prearranged signal, in order to perform acts of espionage, sabotage, or terrorism.

Equivalents

CEFR level

B2
Upper Intermediate
This word is part of the CEFR B2 vocabulary — upper intermediate level.

See also

Learn this word in context

See sleeper cell used in real conversations inside our free language course.

Start Free Course