A person who does not have the legal rights of an adult. A minor is usually defined as someone who has not yet reached the age of majority. In most states, a person reaches majority and acquires all of the rights and responsibilities of an adult when he or she turns 18.

One under the age of majority, usually 21 or 18 years of age, while in a state of infancy; one who has not attained the age of a major. The terms major and minor, are more particularly used in the civil law. The common law terms are adult and infant.


The state or condition of a minor; infancy. In another sense, it signifies the lesser number of votes of a deliberative assembly; opposed to majority.