正規軍 (seikigun) Japanese meaning: regular army | KotomoraIn that country, the distinction between the regular army and militias is vague.
Opposites
正規軍 is a formally organized national army, the direct opposite of the irregular, non-state fighters called ゲリラ.
正規軍 is a state's official, professionally trained military, the direct opposite of 民兵, which is an informal force made up of ordinary citizens.
Etymology
Compound of 正規 (regular, formal) and 軍 (army, military).