1. determined to do what one wants despite advice or warnings from others; stubbornly willful

Examples

• The headstrong teenager refused to listen to her parents’ advice about college.
• His headstrong nature often got him into trouble at work.
• She was too headstrong to accept help from anyone.
• The headstrong horse bolted despite the rider’s attempts to control it.
• Even as a child, he was headstrong and difficult to manage.
• Her headstrong decision to quit school worried her family.