- A term used to describe something that results in the failure of a legal pursuit or pathway for legal action
- Refers to an aspect or condition that renders a contract or agreement nonviable or impossible to enforce
- As a result of a fatal flaw in the prosecution's case, the defendant was acquitted.
- The omission of a necessary party was fatal to the plaintiff's lawsuit.
- The error in the contract was considered fatal, making the agreement unenforceable.