Impious
Impious adjective - Not showing proper reverence for the holy or sacred.
Sinful is a synonym for impious in godless topic. In some cases you can use "Sinful" instead an adjective "Impious", when it comes to topics like sacrilegious, not religious.
Mutual synonyms
Cite this Source
Sinful and Impious. (2016). Retrieved 2026, August 16, from https://thesaurus.plus/related/impious/sinful
Impious & Sinful. N.p., 2016. Web. 16 Aug. 2026. <https://thesaurus.plus/related/impious/sinful>.
Sinful or Impious. 2016. Accessed August 16, 2026. https://thesaurus.plus/related/impious/sinful.
Google Ngram Viewer shows how "impious" and "sinful" have occurred on timeline