Help Wordnik hunt for a million missing words by backing our Kickstarter!


from Wiktionary, Creative Commons Attribution/Share-Alike License

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

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • n. a cell of sleepers


Sorry, no etymologies found.


Sorry, no example sentences found.


Log in or sign up to get involved in the conversation. It's quick and easy.