also: いじはる
godan verb (-ru), intransitive verb
be stubborn; be obstinate; not give in
Dated term for stubbornly refusing to yield; often implies a childish or unreasonable persistence. Compare with 意地を張る, which is more common in modern Japanese.
See also: 意地を張る
He was stubborn and wouldn't admit his mistake.
そんなに意地張らなくてもいいじゃないか。
You don't have to be so obstinate, do you?