Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

English definition of “adult”

See all translations

adult

noun [C] uk   /ˈæd.ʌlt/ /əˈdʌlt/ us  
A1 a person or animal that has grown to full size and strength: An adult under English law is someone over 18 years old. Adults pay an admission charge but children get in free.
More examples

adult

adjective uk   /ˈæd.ʌlt/ /əˈdʌlt/ us  
A2 grown to full size and strength: an adult male/elephant She spent most of her adult life in prison. typical of or suitable for adults: Let's try to be adult about this. Adult films, magazines, and books show naked people and sexual acts and are not for children.
Translations of “adult”
in Korean 성인, 다 자란 동물…
in Arabic راشِد, بالِغ…
in French adulte…
in Turkish yetişkin, erişkin kişi ya da hayvan…
in Italian adulto, -a…
in Chinese (Traditional) 成年人, 成年動物…
in Russian взрослый…
in Polish dorosły…
in Spanish adulto, Adulto…
in Portuguese adulto, -a…
in German erwachsen…
in Catalan adult, -a…
in Japanese 大人, 成人, 成長した動物…
in Chinese (Simplified) 成年人, 成年动物…
(Definition of adult from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
What is the pronunciation of adult?
Add Cambridge dictionaries to your browser to your website

Definitions of “adult” in other dictionaries

Word of the Day

hard luck story

a story or piece of information that someone tells you or writes about himself or herself, intended to make you feel feel sympathy for that person

Word of the Day

A certain je ne sais quoi: French words and phrases used in English

by Liz Walter,
January 21, 2015
It is an odd irony that the more sophisticated your use of English is, the more likely you are to use French words and phrases. Or, to be more accurate, ones you know to be French – words such as ballet, au pair, abattoir, fiancé, café, and restaurant are so entrenched in

Read More 

micro pig noun

January 26, 2015
an extremely small pig, bred to be a pet Micro pigs have become popular pets recently, with famous owners including Victoria Beckham, Paris Hilton and Olympic diver, Tom Daley.

Read More