Defect
Defect is any state of unfitness for use or nonconformance to specification.
Definition
According to Juran's Quality Handbook by Defeo (7th edition),
- Defect. Any state of unfitness for use or nonconformance to specification.
According to the BABOK Guide (3rd edition),
- Defect. A deficiency in a product or service that reduces its quality or varies from a desired attribute, state, or functionality.