Definition of free-fire in English:

free-fire

adjective

Military
  • Attributive Designating an area in which military forces are authorized to fire on any target without obtaining prior clearance; chiefly in "free-fire zone".

Origin

1960s; earliest use found in The Gettysburg Times. From free + fire.

Pronunciation

free-fire

/ˈfriːfʌɪə/