youngster

from WordNet (r) 3.0 (2006)

youngster
    n 1: a young person of either sex; "she writes books for
         children"; "they're just kids"; "`tiddler' is a British
         term for youngster" [syn: {child}, {kid}, {youngster},
         {minor}, {shaver}, {nipper}, {small fry}, {tiddler},
         {tike}, {tyke}, {fry}, {nestling}]

from The Collaborative International Dictionary of English v.0.48

Youngster \Young"ster\, n.
   A young person; a youngling; a lad. [Colloq.] "He felt
   himself quite a youngster, with a long life before him." --G.
   Eliot.
   [1913 Webster]

from Moby Thesaurus II by Grady Ward, 1.0

35 Moby Thesaurus words for "youngster":
      breed, brood, bud, chick, children, chit, descendants, descent,
      family, fruit, grandchildren, great-grandchildren, heirs,
      hostages to fortune, inheritors, issue, juvenile, kid, kids,
      lineage, little ones, moppet, new generation, offspring, posterity,
      progeny, rising generation, seed, sons, succession, treasures,
      youngling, younglings, youngsters, youth

[email protected]