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

pup

a baby of particular animals, or a puppy

Word of the Day

I won’t tolerate it! Replacing formal words with phrasal verbs.

by Liz Walter,
April 01, 2015
When you are using a language, it is important to understand if a word is formal or informal, so that you can use it in an appropriate way. You might hear people saying dosh for money, or spud for potato, but they wouldn’t write those words in a formal essay. Similarly, a

Read More 

stackin’ p

March 30, 2015
idiom slang earning a lot of money ‘That’s a very generous present.”Yeah, well, she’s stackin’ p, innit?’

Read More