unborn

from WordNet (r) 3.0 (2006)

unborn
    adj 1: not yet brought into existence; "unborn generations"
           [ant: {born}]

from The Collaborative International Dictionary of English v.0.48

Unborn \Un*born"\, a.
   Not born; not yet brought into life; being still to appear;
   future.
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         Some unborn sorrow, ripe in fortune's womb. --Shak.
   [1913 Webster]

         See future sons, and daughters yet unborn. --Pope.
   [1913 Webster]