作さく病びょう

noun

feigned illness; malingering

Refers to pretending to be sick, often to avoid work or duty. A somewhat formal or technical term.

• 彼かれの欠けっ勤きんは作さく病びょうだと疑うたがわれている。

  His absence is suspected of being a feigned illness.

• 作さく病びょうで学がっ校こうを休やすむのはよくない。

  It's not good to skip school by pretending to be sick.