1. to give a military character to something or to organize something along military lines
Usage: British spelling
2. to equip with military forces or weapons
Usage: British spelling

Examples

• The government decided to militarise the border region.
• Critics argued that the policy would militarise the police force.
• The nation began to militarise its space program.
• They feared the conflict would militarise the entire region.
• The treaty prohibited either side from militarising the disputed territory.
• Local communities opposed efforts to militarise the school system.