What is the meaning of blue wall of silence?

noun

  • The secrecy of police officers who lie or look the other way to protect other police officers.
    • usage: "the blue wall cracked when some officers refused to take part in the cover-up"
WordNet 3.0 © 2006 by Princeton University
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APAWordNet. (2010). blue wall of silence. Retrieved September 20, 2026, from http://smartdefine.org/blue_wall_of_silence/definitions/1193233
ChicagoWordNet. 2010. "blue wall of silence" http://smartdefine.org/blue_wall_of_silence/definitions/1193233 (accessed September 20, 2026).
HarvardWordNet 2010, blue wall of silence, Smart Define, viewed 20 September, 2026, <http://smartdefine.org/blue_wall_of_silence/definitions/1193233>.
MLAWordNet. "blue wall of silence" 23 October 2010. Web. 20 September 2026. <http://smartdefine.org/blue_wall_of_silence/definitions/1193233>