grownup

• 形容一个人成熟、成年或负责任；常用来与幼稚、孩子气的行为形成对比。

Describes a person who is mature, adult, or responsible; often used to contrast with childish behavior.

1. Fully developed (animals)B1formal

   Having reached full size and maturity; no longer young.

   成年的

   • The grownup lion led the pride.
   • The veterinarian examined the grownup horse.
   • Grownup elephants are much larger than calves.

   同义词adultfull-grownfully growngrownmature

   反义词immaturejuvenileundevelopedyoung

2. Mature or adult (people)A2informal

   Having reached an adult stage of life; no longer a child.

   成年的

   • She is a grownup woman now.
   • Grownup children often move out of their parents' house.
   • He has a grownup attitude towards responsibility.

   同义词adultfull-grownfully growngrownmatureof age

   反义词childishchildlikeimmatureinfantilejuvenile

• 名词，指完全发育成熟的人，即成年人，从成熟期往后都可用。

A noun referring to a fully developed person from maturity onward, typically an adult.

1. Adult personA2informal

   A person who is fully developed and mature, typically an adult.

   成年人

   • The grownups sat at the main table during dinner.
   • Children often look up to grownups for guidance.
   • Only grownups are allowed to drive a car.

   同义词adult

   反义词childinfantkidminor