Synonyms and antonyms of Adult and adults in American Thesaurus

adult (noun)

someone who is no longer a child and is legally responsible for their actions

adult (adjective)

your adult life is the whole period of your life after you have become an adult

adult (adjective)

involving people who are adults

adult (adjective)

completely grown

adulthood (noun)

the period of your life when you are an adult

a grown man/woman ()

an adult: used especially for suggesting that someone is not behaving like an adult

a man (noun)

an adult male human

come of age ()

to reach the age when you are legally an adult

coming of age (noun)

the age at which someone is legally considered an adult

consenting adult (noun)

someone who is legally old enough and is willing to take part in an activity, especially a sexual activity

grown-up (adjective)

adult

grown-up (adjective)

looking or acting like an adult or like a much older child

grown-up (adjective)

for adults

grown-up (noun)

someone who behaves in a mature and thoughtful way, especially in politics

in your fifties ()

aged between 50 and 59

kidult (noun)

informal an adult who enjoys entertainment such as movies or computer games that are intended mainly for children

majority (noun)

the age at which someone is legally considered to be an adult, usually between 18 and 21 years old

mature (adjective)

a mature adult is no longer young, and is considered to have the good qualities of an older person, for example the knowledge and experience of how to deal with particular situations

mature (verb)

to start behaving like an adult and become more sensible as you get older

maturity (noun)

the qualities and behavior that you would expect of a sensible adult

middle-aged (adjective)

no longer young but not yet old

thirtysomething (noun)

informal someone who is between the ages of 30 and 39

woman (noun)

an adult female person

youngish (adjective)

an adult who is youngish is fairly young and has positive qualities considered to be typical of young people

young man/woman/person ()

used about adults who are not very old