Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun blue_wall

1 sense of blue wall

Sense 1
blue wall of silence, blue wall, wall of silence -- (the secrecy of police officers who lie or look the other way to protect other police officers; "the blue wall cracked when some officers refused to take part in the cover-up")
       => cover-up -- (concealment that attempts to prevent something scandalous from becoming public)