noun
A person who has grown up and is no longer a child.
Adults must show an ID.
She became an adult last year.
Common phrases & grammar
young adult · legal adult · adult learner
an adult
become an adult
American English
How to pronounce adult
noun · adjectiveA2Common word
uhDUHLT
/əˈdəlt̚/
2 syllables · Stress the second syllable.
A person who has grown up and is no longer a child.
What to listen for
The usual pronunciation of adult is /əˈdəɫt̚/, with the main stress on the second syllable.
Meanings & examples
adjective
Fully grown and no longer a child or a young animal.
That is an adult dog.
Adult life can be very busy.
Common phrases & grammar
adult dog · adult life · adult population
adult + noun
an adult + noun
adjective
Made for people who are grown up, not for children.
The museum has an adult ticket.
She takes adult classes at night.
Common phrases & grammar
adult education · adult ticket · adult classes
adult + noun
an adult + noun
Useful expressions
A person who is a young adult, usually between about 18 and 30.
Many young adults move away from home.
Education and classes for grown people.
She works in adult education.
With an adult watching and helping when needed.
Children must swim under adult supervision.