stubborn; obstinate; inflexible
Describes a person, attitude, or refusal that is unyielding and resistant to change or persuasion. Often carries a negative nuance of unreasonable rigidity.
He stubbornly refused to change his opinion.
その老人は頑なで、誰の助言も聞かなかった。
The old man was obstinate and wouldn't listen to anyone's advice.
He stubbornly refused to apologize.
Everyone was troubled by her stubborn attitude.
My grandfather stubbornly clings to old customs.