grownup

2 definitions found

grownup - Collaborative International Dictionary of English v.0.48 :

  grownup \grownup\ adj.
     fully developed; adult; mature; -- of people and animals; as,
     Act like a grownup!.
  
     Syn: adult, big, full-grown, fully grown, grown.
          [WordNet 1.5]

grownup - WordNet (r) 2.1 (2005) :

  grownup
      adj 1: (of animals) fully developed; "an adult animal"; "a grown
             woman" [syn: adult, big, full-grown, fully grown,
             grown, grownup]
      n 1: a fully developed person from maturity onward [syn:
           adult, grownup] [ant: juvenile, juvenile person]