Nefarious
Nefarious adjective - Not conforming to a high moral standard; morally unacceptable.
Usage example: the chaste heroines and nefarious villains of old-time melodramas
Unauthorized and nefarious are semantically related. In some cases you can use "Unauthorized" instead an adjective "Nefarious".
Unauthorized
Unauthorized adjective - Not endowed with authority.
Nefarious and unauthorized are semantically related. Sometimes you can use "Nefarious" instead an adjective "Unauthorized".
Nearby Word: unauthorised
Mutual synonyms
Related pairs
- immoral and nefarious
- immoral and unauthorized
- wrong and nefarious
- wrong and unauthorized
- dishonest and nefarious
- dishonest and unauthorized
- crooked and nefarious
- crooked and unauthorized
- flagitious and nefarious
- flagitious and unauthorized
- wicked and nefarious
- wicked and unauthorized
- shady and nefarious
- shady and unauthorized
Cite this Source
Unauthorized and Nefarious. (2016). Retrieved 2026, August 13, from https://thesaurus.plus/related/nefarious/unauthorized
Nefarious & Unauthorized. N.p., 2016. Web. 13 Aug. 2026. <https://thesaurus.plus/related/nefarious/unauthorized>.
Unauthorized or Nefarious. 2016. Accessed August 13, 2026. https://thesaurus.plus/related/nefarious/unauthorized.
Google Ngram Viewer shows how "nefarious" and "unauthorized" have occurred on timeline