Legal Definition of Majority: (a) The major portion of; more than one-half. (b) The age at which someone is legally regarded as an adult, and therefore able to consummate a contract, vote, and marry without parental consent | Get a clear understanding of the legal term majority and its impact on your business operations. Learn about its numerical and age-related definitions, voting requirements, contractual agreements, and the rights and responsibilities of individuals. Comprehend the importance of understanding majority for informed decision-making, legal compliance, and fostering a fair business environment