- the system of law originating in England, as distinct from the civil or Roman law and the canon or ecclesiastical law.
- the unwritten law, especially of England, based on custom or court decision, as distinct from statute law.
- the law administered through the system of courts established for the purpose, as distinct from equity or admiralty.
- of, relating to, or established by common law: a common-law spouse.
- the body of law based on judicial decisions and custom, as distinct from statute law
- the law of a state that is of general application, as distinct from regional customs
- denoting a marriage deemed to exist after a couple have cohabited for several years
