1The union leader remained obdurate in the face of management's proposals, insisting that the workers' demands be met in full.
2Is it possible to negotiate with an obdurate opponent who refuses to budge from their initial position?
3The government's obdurate stance on the issue has sparked widespread criticism and protests.
4Her obdurate refusal to consider alternative perspectives has led to a breakdown in communication with her colleagues.
5There is a fine line between being principled and being obdurate; knowing when to compromise is essential in any successful negotiation.