grownup

/ˈɡroʊnˌʌp/
adjective
  1. Characteristic of or suitable for an adult; mature.
    • She made a grownup decision to save money instead of spending it all.
    • He bought a grownup suit for his job interview.
    • The movie had grownup themes that young children wouldn't understand.
Synonyms
noun
  1. An adult; a person who is fully grown and mature.
    • At the family dinner, the kids sat at one table and the grownups at another.
    • She felt like a real grownup when she paid her first rent check.
    • The children were told to ask a grownup for help with the scissors.
Synonyms
Antonyms
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