अर्थ : The secrecy of police officers who lie or look the other way to protect other police officers.
उदाहरणे :
The blue wall cracked when some officers refused to take part in the cover-up.
समानार्थी : blue wall of silence, wall of silence
Blue wall ka meaning, vilom shabd, paryayvachi aur samanarthi shabd in Marathi. Blue wall ka matlab kya hota hai?