An imperfection, failure, or absence.
Any non-conformance of a unit of product from specified requirements of a single quality characteristic. Defects are classed as “minor”, “major”, “severe”, or “critical” depending upon the severity and undesirability of the defect.
An unsatisfactory or imperfect feature of something.
A lack of something which is necessary.
Abnormality, either the absence of a part, ability, or function or its imperfect presence. A congenital defect is an imperfection, not necessarily inherited, present at birth.
The missing of a part or organ, a malfunction in normal functioning, or any sort of deficiency or failure.