godan verb (-mu), intransitive verb
warp; become distorted; become strained
Describes physical objects losing their original shape, or abstract things like relationships, expressions, or sounds becoming distorted or strained.
湿気でドアがひずんで閉まらなくなった。
The door warped from humidity and won't close anymore.
怒りで彼の顔がひずんだ。
His face contorted with anger.