noun, noun or participle which takes 'suru', intransitive verb
retreat; withdrawal; retiring from a position
Used as a noun or with する for moving back or withdrawing, especially from a battlefield, difficult situation, or untenable position. It can correspond to 'retirement' in the sense of withdrawal, but it is not the normal word for retiring from a job.
敵の攻撃を受けて、部隊は退却を始めた。
Under enemy attack, the unit began its retreat.
軍は夜のうちに山の向こうへ退却した。
The army retreated beyond the mountains during the night.