wilfull

Example:The prisoner's obdurate attitude towards the regulations caused further complications in the prison.

Definition:Stubbornly adhering to one’s opinions or course of action; unwilling to change one’s mind or comply with others. Obtuse or not willing to yield.

Example:The contumacious attitude of the workers made it difficult for the manager to make progress.

Definition:Defiant and disobedient, especially in the face of authority. Characterized by defiance or contempt for authority.

Example:Her petulant refusal to cooperate with the staff was a clear sign of her wilfull behavior.

Definition:Showing annoyance or frustration because of minor perceived injustices or annoyances; bad-tempered and sulky.