chimerical

from WordNet (r) 3.0 (2006)

chimerical
    adj 1: being or relating to or like a chimera; "his Utopia is
           not as chimeric commonwealth but a practical improvement
           on what already exists"- Douglas Bush [syn: {chimeric},
           {chimerical}, {chimeral}]
    2: produced by a wildly fanciful imagination; "his Utopia is not
       a chimerical commonwealth but a practical improvement on what
       already exists"- Douglas Bush

from The Collaborative International Dictionary of English v.0.48

Chimerical \Chi*mer"ic*al\, a.
   Merely imaginary; fanciful; fantastic; wildly or vainly
   conceived; having, or capable of having, no existence except
   in thought; as, chimerical projects.

   Syn: Imaginary; fanciful; fantastic; wild; unfounded; vain;
        deceitful; delusive.
        [1913 Webster]

from Moby Thesaurus II by Grady Ward, 1.0

70 Moby Thesaurus words for "chimerical":
      Barmecidal, Barmecide, absurd, aerial, air-built, airy, ambitious,
      apparent, apparitional, autistic, chimeric, cloud-born,
      cloud-built, cloud-woven, deceptive, delusional, delusionary,
      delusive, delusory, dereistic, dreamlike, dreamy, erroneous,
      ethereal, fabulous, fallacious, false, fanciful, fantastic,
      fatuitous, fatuous, fictional, fictive, gaseous, gossamery,
      illusional, illusionary, illusive, illusory, imaginary, misleading,
      mythical, ostensible, phantasmagoric, phantasmal, phantom,
      phantomlike, preposterous, pretentious, rarefied, seeming,
      self-deceptive, self-deluding, shadowy, specious, spectral,
      spirituous, subtile, subtle, supposititious, tenuous, unactual,
      unfounded, unreal, unsubstantial, utopian, vaporous, vapory,
      visionary, windy