Nefarious and Sinful

Nefarious

Nefarious adjective - Not conforming to a high moral standard; morally unacceptable.
Usage example: the chaste heroines and nefarious villains of old-time melodramas

Sinful is a synonym for nefarious in wicked topic. In some cases you can use "Sinful" instead an adjective "Nefarious", when it comes to topics like illegal. popular alternative

Sinful

Sinful adjective - Not conforming to a high moral standard; morally unacceptable.
Usage example: chastised by his minister for his sinful behavior

Nefarious is a synonym for sinful in immoral topic. You can use "Nefarious" instead an adjective "Sinful", if it concerns topics such as illegal. popular alternative

Nearby Words: sin, sinless, sinfully
Cite this Source
Sinful and Nefarious. (2016). Retrieved 2026, August 16, from https://thesaurus.plus/related/nefarious/sinful
Nefarious & Sinful. N.p., 2016. Web. 16 Aug. 2026. <https://thesaurus.plus/related/nefarious/sinful>.
Sinful or Nefarious. 2016. Accessed August 16, 2026. https://thesaurus.plus/related/nefarious/sinful.
Google Ngram Viewer shows how "nefarious" and "sinful" have occurred on timeline