1. past tense of diagnose; identified a disease or medical condition through examination
Usage: medical context
2. past tense of diagnose; identified the cause or nature of a problem
Usage: general problem-solving context

Examples

• The doctor diagnosed her with pneumonia after reviewing the X-rays.
• He was diagnosed with diabetes last year.
• The mechanic diagnosed the engine problem quickly.
• She was finally diagnosed with the rare condition after months of testing.
• The technician diagnosed the computer issue as a faulty hard drive.
• The patient was diagnosed early, which improved treatment outcomes.