苛さいなむ

godan verb (-mu), transitive verb

torment; torture; afflict

Used for persistent mental or physical suffering, often with a nuance of something gnawing at a person. Common in literary and emotional contexts.

• 罪ざい悪あく感かんが彼かれをさいなんだ。

  Guilt tormented him.

• 激はげしい痛いたみが患かん者じゃをさいなんでいる。

  Severe pain is afflicting the patient.