1. physical or mental collapse caused by overwork or stress
Usage: commonly used in workplace and health contexts
2. the failure of an electrical or mechanical device due to overheating or excessive use
Usage: technical usage
3. the bright light and heat produced when a spacecraft re-enters Earth's atmosphere
Usage: aerospace/technical term

Examples

• After working 60-hour weeks for two years, she experienced severe burnout.
• The teacher's burnout led her to take a sabbatical.
• The engine burnout was caused by continuous operation without maintenance.
• The satellite's burnout occurred as it descended through the atmosphere.
• Many healthcare workers reported burnout during the pandemic.
• Signs of burnout include exhaustion, cynicism, and reduced productivity.