1. the quality of being stubborn and refusing to change one’s opinion or course of action

Examples

• His obstinateness prevented him from admitting he was wrong.
• The child’s obstinateness made bedtime a daily struggle.
• Her obstinateness in negotiations led to a stalemate.
• The team’s obstinateness about their strategy cost them the game.
• Despite evidence to the contrary, his obstinateness kept him from changing his mind.
• The politician’s obstinateness alienated potential supporters.