irreligious

adj. not religious; anti-religious

[Image:Irreligion.png|thumb|right|400px|Coloured world map indicating irreligion in the world. Irreligion, irreligiousness, or nonreligion is an umbrella term which, depending on context, may be understood as referring to atheism, agnosticism, deism, skepticism, freethought, secular humanism or general secularism.
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Adjective
1. hostile or indifferent to religion
(antonym) religious
(similar) atheistic, atheistical, unbelieving
(see-also) impious

(a.)
Indicating a want of religion; profane; wicked; as, irreligious speech.
  

(a.)
Destitute of religion; not controlled by religious motives or principles; ungodly. Cf. Impious.
  

Synonyms and related words:
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