Immoral
Immoral adjective - Not conforming to a high moral standard; morally unacceptable.
Usage example: blatantly immoral behavior by members of the clergy that should not be tolerated by the community
Nefarious is a synonym for immoral in evil topic. In some cases you can use "Nefarious" instead an adjective "Immoral", when it comes to topics like unethical, wicked.
Nearby Words: immorality, immorally
Nefarious
Nefarious adjective - Not conforming to a high moral standard; morally unacceptable.
Usage example: the chaste heroines and nefarious villains of old-time melodramas
Mutual synonyms
Cite this Source
Nefarious and Immoral. (2016). Retrieved 2026, August 16, from https://thesaurus.plus/related/immoral/nefarious
Immoral & Nefarious. N.p., 2016. Web. 16 Aug. 2026. <https://thesaurus.plus/related/immoral/nefarious>.
Nefarious or Immoral. 2016. Accessed August 16, 2026. https://thesaurus.plus/related/immoral/nefarious.
Google Ngram Viewer shows how "immoral" and "nefarious" have occurred on timeline