adult
[noun]
Synonyms:
- grown-up, grown or grown-up person (man or woman), person of mature age
[adjective]
Synonyms:
- fully grown, full grown, fully developed, grown-up, mature, of age, ripe

---

Antonyms: juvenile, puerile
Contrasted words: adolescent, pubescent
Related Words: aged

[TahlilGaran] English Synonym Dictionary ▲

I. ad‧ult¹ S2 W2 AC /ˈædʌlt, əˈdʌlt/ noun [countable]

1. a fully-grown person, or one who is considered to be legally responsible for their actions ⇒ child:
Some children find it difficult to talk to adults.

2. a fully-grown animal:
The adults have white bodies and grey backs.

[TahlilGaran] Dictionary of Contemporary English ▲

II. adult² W3 AC adjective
[Date: 1500-1600; Language: Latin; Origin: past participle of adolescere 'to grow up']

1. [only before noun] fully grown or developed:
an adult lion
the adult population
He lived most of his adult life in Scotland.

2. typical of an adult’s behaviour or of the things adults do:
dealing with problems in an adult way
That wasn’t very adult of you.

3. [only before noun] adult films, magazines etc are about sex or related to sex:
The film is rated R for language and adult themes.

[TahlilGaran] Dictionary of Contemporary English ▲

adult
noun
ADJ. young This book will definitely appeal to teenagers and young adults.
single The number of single adult households has doubled in the past 30 years.
consenting What consenting adults do in private is their own business.
responsible I simply can't believe that responsible adults allowed a child to wander the streets.
ADULT + NOUN life She spent her entire adult life caring for others.
education, literacy | population

[TahlilGaran] Collocations Dictionary ▲