Nefarious
Nefarious adjective - Not conforming to a high moral standard; morally unacceptable.
Usage example: the chaste heroines and nefarious villains of old-time melodramas
Rotten
Rotten adjective - Not conforming to a high moral standard; morally unacceptable.
Usage example: played a rotten trick and then lied about it
Nefarious and rotten are semantically related in good topic. Sometimes you can use "Nefarious" instead an adjective "Rotten", if it concerns topics such as dishonest.
Nearby Words: rottenness, rottenly
Mutual synonyms
Cite this Source
Rotten and Nefarious. (2016). Retrieved 2026, July 22, from https://thesaurus.plus/related/nefarious/rotten
Nefarious & Rotten. N.p., 2016. Web. 22 Jul. 2026. <https://thesaurus.plus/related/nefarious/rotten>.
Rotten or Nefarious. 2016. Accessed July 22, 2026. https://thesaurus.plus/related/nefarious/rotten.
Google Ngram Viewer shows how "nefarious" and "rotten" have occurred on timeline