adult
noun
[ ˈadʌlt ]
• a person who is fully grown or developed.
• "children should be accompanied by an adult"
Similar:
grown person,
grown man,
grown woman,
grown-up person,
grown-up,
mature person,
mature man,
mature woman,
person of mature age,
man,
woman,
gentleman,
lady,
adult
adjective
• fully grown or developed.
• "an adult woman"
Similar:
mature,
grown-up,
fully grown,
full-grown,
fully developed,
fully fledged,
of age,
having reached one's majority,
in one's prime,
in full bloom,
adult
verb
• behave in a way characteristic of a responsible adult, especially by accomplishing mundane but necessary tasks.
• "I've adulted with moderate success this week by compiling invoices and billing my client"
Origin:
mid 16th century: from Latin adultus, past participle of adolescere ‘grow to maturity’ (see adolescent).