Obdurate/ˈɑːbdərət/ Definition 1 of 2Pro Tip 1/3Unwavering Stance Used when someone will not change their decision or belief, regardless of the argument. He was obdurate in his refusal to listen to the feedback. Pro Tip 2/3Negative Connotation Often implies a stubbornness that is not seen as positive or reasonable. Her obdurate behavior during the negotiations cost her the deal. Pro Tip 3/3Perseverance Aspect Sometimes admired when it signifies a commitment to a noble cause. His obdurate dedication to environmental protection inspired others.