irreligious

irreligious
    adj 1: hostile or indifferent to religion [ant: {religious}]
    

Irreligious \Ir`re*li"gious\, a. [L. irreligiosus: cf. F.
   irr['e]ligieux.]
   [1913 Webster]
   1. Destitute of religion; not controlled by religious motives
      or principles; ungodly. Cf. {Impious}.
      [1913 Webster]

            Shame and reproach are generally the portion of the
            impious and irreligious.              --South.
      [1913 Webster]

   2. Indicating a lack of religion; profane; wicked; as,
      irreligious speech.
      [1913 Webster]
    

47 Moby Thesaurus words for "irreligious":
      amoral, apostate, atheistic, backsliding, blasphemous, creedless,
      disbelieving, faithless, fallen, fallen from grace, godless,
      heretical, impious, incredulous, indevout, irreverent, lapsed,
      minimifidian, nonbelieving, nonreligious, nullifidian, profanatory,
      profane, recidivist, recidivistic, recreant, renegade, repudiative,
      sacrilegious, sinful, un-Christly, unangelic, unbelieving,
      unchristian, unconfident, unconverted, unconvinced, undevout,
      undutiful, ungodly, unholy, unmoral, unreligious, unrighteous,
      unsaintly, wicked, without faith