Entry 1 sense Webster, 1913 militarize · IPA /ˈmɪ.lɪ.tə.ɹaɪz/ 01 v. t. & i. to lend a military character to (a country), as by building up a military force. 1. to lend a military character to (a country), as by building up a military force. Syn. make military.