na-adjective
antimilitary
Describes attitudes, policies, or movements opposed to the military or militarism. Often used in political or social contexts.
彼は反軍的な立場を取っている。
He takes an antimilitary stance.
その政党は反軍的な政策を掲げた。
The political party advocated antimilitary policies.
軍国主義 (militarism) is the ideology that 反軍的 opposes.
Compound of 反 (anti-) + 軍 (military) + 的 (-like, -ic). A straightforward Sino-Japanese formation.