Simple past tense and past participle of police.(verb)
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Use "policed" in a sentence
"For this reason many of them have to be locked up in policed “schools” where they terrorise the real sixth formers."
"The U.S. military has "policed" Haiti at least since 1888 when war boats were sent to "persuade" the government to be friendlier to U.S. shipping interests."
"And how is the RP 'policed' to make sure people don't power- or ego-play and ruin the storyline?"