atheistic

from WordNet (r) 3.0 (2006)
atheistic
    adj 1: rejecting any belief in gods [syn: {atheistic},
           {atheistical}, {unbelieving}]
    2: related to or characterized by or given to atheism; "atheist
       leanings" [syn: {atheist}, {atheistic}, {atheistical}]
    
from The Collaborative International Dictionary of English v.0.48
Atheistic \A`the*is"tic\, Atheistical \A`the*is"tic*al\, a.
   1. Pertaining to, implying, or containing, atheism; --
      applied to things; as, atheistic doctrines, opinions, or
      books.
      [1913 Webster]

            Atheistical explications of natural effects.
                                                  --Barrow.
      [1913 Webster]

   2. Disbelieving the existence of a God; impious; godless; --
      applied to persons; as, an atheistic writer. --
      {A`the*is"tic*al*ly}, adv. -- {A`the*is"tic*al*ness}, n.
      [1913 Webster]
    
from Moby Thesaurus II by Grady Ward, 1.0
39 Moby Thesaurus words for "atheistic":
      apostate, atheist, backsliding, blasphemous, disbelieving,
      faithless, fallen, fallen from grace, gentile, goyish, heathen,
      impious, infidel, infidelic, irreligious, irreverent, lapsed,
      minimifidian, misbelieving, non-Christian, non-Jewish,
      non-Mohammedan, non-Mormon, non-Moslem, non-Muhammadan, non-Muslim,
      nullifidian, pagan, profanatory, profane, recidivist, recidivistic,
      recreant, renegade, sacrilegious, unbelieving, unchristian,
      uncircumcised, undutiful

    

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