1. winning against someone or something in a competition, battle, or contest
Usage: present participle of defeat
2. preventing something from succeeding or working
Usage: present participle of defeat

1. causing someone to feel discouraged or unsuccessful

Examples

• The team is defeating their opponents by twenty points.
• She is defeating her fear of public speaking through practice.
• The puzzle is defeating me completely.
• Defeating the virus requires a coordinated global effort.
• The constant setbacks were defeating his spirit.
• This defeating attitude won’t help you succeed.
• The math problem is defeating even the best students.