Irreligious

прилагательное нерелигиозный; неверующий Синоним(ы): unbelieving

Большой англо-русский словарь

Irreligious

adjective 1. neglectful of religion; lacking religious emotions, doctrines, or practices Example: so irreligious that they exploit popular religion for professional purposes — G. B. Shaw 2. indicating lack of religion • irreligiously adverb

Merriam-Webster's Collegiate Dictionary