- A characteristic that makes something imperfect, incomplete, or not up to standard
- A flaw present in a product, posing a significant risk when the product is used as intended
- An oversight or mistake in a legal document, such as a pleading or indictment
- An imperfection or irregularity in the legal ownership history of a property that reduces its market value
- The consumer returned the product after discovering a defect that made it unsafe to use.
- The lawyer spotted a defect in the legal document, thereby jeopardizing the case.
- Due to a defect in the title, the property's value on the market significantly decreased.