pig-headed in a sentence

Definition

Pig-headed: stubbornly refusing to change one's mind or consider other viewpoints, often despite clear evidence or reasoning.

She was so pig-headed about her opinions that she refused to listen to anyone else's perspective.
Even though the evidence was clear, his pig-headed nature led him to stick to his original claims.
The pig-headed refusal to compromise made the negotiation process painfully lengthy.
Despite the team's suggestions, his pig-headed attitude prevented any chance of collaboration.
Her pig-headed determination to prove him wrong ultimately backfired and caused more harm than good.