やつす

godan verb (-su), transitive verb

be absorbed in; lose oneself in

Used when someone becomes completely engrossed in an activity or state, often to the point of neglecting appearance or surroundings. Common in the phrase やつす身 (a person who has let themselves go).

• 彼かれは研けん究きゅうに身みをやつしている。

  He is absorbed in his research.

• 彼かの女じょは悲かなしみに身みをやつした。

  She lost herself in grief.

godan verb (-su), transitive verb

disguise oneself as; dress up as

Refers to changing one's appearance to look like someone else, often in a shabby or humble disguise. Can also mean adorning oneself in a showy way, though this usage is less common.

• 彼かれは乞こ食じきに身みをやつして敵てき地ちに潜せん入にゅうした。

  He disguised himself as a beggar and infiltrated enemy territory.

• 女じょ優ゆうは派は手でな衣い装しょうに身みをやつした。

  The actress adorned herself in a flashy costume.