godan verb (-ru), intransitive verb
harm; hinder; irritate; interfere with
Intransitive verb used with に to mark what is affected. Covers physical harm, emotional irritation, and practical interference. Often used in set phrases like 気に障る (to hurt one's feelings) or 体に障る (to be bad for one's health).
夜更かしは体に障るよ。
Staying up late is bad for your health.
彼の言い方が気に障った。
The way he said it hurt my feelings.
大きな音が勉強に障る。
Loud noises interfere with my studying.