1. to identify a disease or medical condition by examining symptoms and test results
Usage: medical
2. to identify the cause or nature of a problem

Examples

• The doctor diagnosed her with pneumonia after reviewing the X-rays.
• It took several tests to diagnose the rare genetic disorder.
• The mechanic diagnosed the engine problem as a faulty fuel pump.
• Specialists were called in to diagnose the structural issues with the building.
• Early detection makes it easier to diagnose and treat cancer.
• The technician diagnosed the computer’s slow performance as insufficient memory.