Designating an area in which military personnel have authority to shoot on anyone without obtaining prior clearance.(adjective)
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Use "free-fire" in a sentence
"One more place that used to be safe and ordinary, suitable for children, is suddenly, for one random moment, a free-fire zone."
"The goal became to blockbust the cities, scaring the white people into moving to the suburbs, and making the inner cities into free-fire zones for business, where they could build and pollute with no pesky good-government types looking over their shoulders."
"Two of the battlegrounds highlighted in The Pacific, Peleliu and Iwo Jima, were free-fire zones, void of civilians, save perhaps for Korean slave laborers imported by the Japanese."