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

misbegot \mis`begot"\, misbegotten \mis`begot"ten\, p. a.
   1. unlawfully or irregularly begotten; of bad or disreputable
      origin; pernicious. "valor misbegot." --shak.
      1913 webster

   2. poorly designed or planned; badly carried out;
      ill-conceived.
      pjc

[2] : WordNet (r) 2.0

misbegotten
     adj : born out of wedlock; "the dominions of both rulers passed
           away to their spurious or doubtful offspring"-
           e.a.freeman syn: bastard, bastardly, misbegot, spurious
see also:
bastard bastardly misbegot spurious 

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

54 moby thesaurus words for "misbegotten":
   bandy, bandy-legged, baroque, baseborn, bastard, bizarre,
   blemished, bloated, bowlegged, cacogenic, club-footed, defaced,
   deformed, disfigured, dwarfed, false, fatherless, flatfooted,
   freak, freakish, gargoylish, grotesque, ill-made, ill-proportioned,
   ill-shaped, illegitimate, knock-kneed, malformed, marred,
   miscreated, misproportioned, misshapen, monstrous, mutilated,
   natural, out of shape, pigeon-toed, pug-nosed, rachitic, rickety,
   rococo, shapeless, simous, snub-nosed, spurious, stumpy,
   supposititious, swaybacked, talipedic, teratic, teratogenic,
   teratoid, truncated, unshapely

Misbegotten >> M Words
Misbegotten, definition of term: Misbegotten
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