(US, slang) Engaging in activities typically associated with adulthood. / (nonstandard) Adultery.

present participle of adult

(transitive, sociology, psychology) To raise (a child) in such a way that it adopts adult behaviors earlier than is usual.

The act or process of adultizing.

simple past tense and past participle of adultize

present participle of adultize

Third-person singular simple present indicative form of adultize

(intransitive, informal) To behave like an adult. / (nonstandard, rare) To (cause to) be or become an adult.

A fully grown human or animal. / A person who has reached the legal age of majority.

Fully grown. / Intended for or restricted to adults rather than children. / Containing material of an explicit sexual nature; of, or pertaining to, pornography. / Vulgar or profane.