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A person who by virtue of attaining a certain age, generally eighteen, is regarded in the eyes of the law as being able to manage his or her own affairs.

The age specified by law, called the legal age of majority, indicates that a person acquires full legal capacity to be bound by various documents, such as contracts and deeds, that he or she makes with others and to commit other legal acts such as voting in elections and entering marriage. The age at which a person becomes an adult varies from state to state and often varies within a state, depending upon the nature of the action taken by the person. Thus, a person wishing to obtain a license to operate a motor vehicle may be considered an adult at age sixteen, but may not reach adulthood until age eighteen for purposes of marriage, or age twenty-one for purposes of purchasing intoxicating liquors.

Anyone who has not reached the age of adulthood is legally considered an infant.


noun adultus, elder, fully developed person, fully grown person, grown-up person, mature person, one who has attained legal majority, person of age, person of voting age, pubes, senior
Associated concepts: adult male, adult person, adult woman, age of majority
See also: ripe


a person who has attained the age of legal majority.

ADULT, in the civil law. An infant who, if a boy, has attained his full age of fourteen years, and if a girl, her full age of twelve. Domat, Liv. Prel. t. 2, s. 2, n. 8. In the common law an adult is considered one of full age. 1 Swanst. R. 553.

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Your articles on why young adult Catholics do not attend Mass were most revealing in what they didn't say.
They'll continue to get money from the state for adults, but will find ways to transfer resources to the education of teenagers and the dropout problem.
28-29: Workshop: Treating trauma based anxiety; SafeGuards Training for Children and Adult Services; Kingston ON; 905-889-5030
A total of 107 participants in the adult sample and 134 participants in the young adult sample completed the questionnaire packet described below.
For many older adults, independence is an important consideration and many older men may be afraid to discuss depression with a counselor or physician out of fear of losing some sense of independence.
Some adults mentioned a small group of students who appeared to be almost exclusively peer-oriented, unresponsive to adult interventions, and exhibiting behavior perceived as chronically negative.
Research Approaches Relevant to this PA: 1) To provide a sound mechanistic understanding of fetal programming of adult disease, studies supported by this initiative must involve whole animal developmental exposures during gestation.
We can't play basketball or none of that, which the adults can do.
In the carriage study, 105 isolates were collected from 250 children (42% carriage) and 54 isolates were collected from 500 adults (10.
A total of 2,008 patients underwent adenotonsillectomy -- 1,832 children and 176 adults.