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

nonexistent \non`exist"ent\, a.
   not having existence.
   1913 webster

[2] : WordNet (r) 2.0

nonexistent
     adj 1: not having existence or being or actuality; "chimeras are
            nonexistent" ant: existent
     2: not existing; "innovation has been sadly lacking";
        "character development is missing from the book" syn: lackingp,
         missing, wantinga
see also:
existent lackingp missing wantinga 

[3] : Moby Thesaurus II by Grady Ward, 1.0

46 moby thesaurus words for "nonexistent":
   absconded, absent, away, deleted, departed, devoid, disappeared,
   existless, extinct, fancied, fictive, gone, gone away, illusory,
   imaginary, imaginational, imagined, lacking, lost, lost to sight,
   lost to view, minus, missing, negative, no longer present, no more,
   nonattendant, not found, not present, notional, null, omitted,
   out of sight, past and gone, subtracted, supposititious,
   taken away, unactual, unexisting, unreal, vacuous, vanished,
   visional, void, wanting, without being

Nonexistent >> N Words
Nonexistent, definition of term: Nonexistent
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