1. a person or thing that checks or confirms the accuracy or truth of something
2. a computer program or system that validates data, code, or processes
Usage: computing

Examples

• The document requires a signature from an independent verifier.
• She works as a verifier for the insurance company, checking claims for accuracy.
• The software includes a built-in verifier to detect coding errors.
• Each transaction must pass through the verifier before being approved.
• The verifier confirmed that all the data entries were correct.
• We need a third-party verifier to validate the test results.
• The email verifier checks if addresses are valid before sending messages.