Grownup

2 definitions found

From The Collaborative International Dictionary of English v.0.48 [gcide]:

  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]



From WordNet (r) 2.0 [wn]:

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