The Demilitarized Zone (DMZ) is a term used to describe a region where military forces and weapons are not allowed. The exact antonyms for the word DMZ would depend on the context of its usage. Some potential opposites could include "militarized zone," where military forces and weapons are actively present, "war zone," which refers to an area of conflict, or "no man's land," which is a term used to describe a disputed or abandoned area. Other possible antonyms might include "peaceful zone," "neutral zone," or "humanitarian zone," all of which suggest a space that is free from conflict, violence, or political tension.