Bad
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
Both words in one sentence
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It's almost too bad the cult was founded by a diabolically evil lich who is using it for her own nefarious ends.
Source: Religion of Evil - A member in bad standing of the Bad Seeds (children of supervillains club) at Superhero School Whateley Academy, none of his nefarious plans have succeeded.
Source: Big Bad Wannabe - A bad guy or bully breaks someone's stuff, either trying to upset them, get revenge, get information, or for any other nefarious purpose.
Source: Vandalism Backfire
Cite this Source
Nefarious and Bad. (2016). Retrieved 2026, August 14, from https://thesaurus.plus/related/bad/nefarious
Bad & Nefarious. N.p., 2016. Web. 14 Aug. 2026. <https://thesaurus.plus/related/bad/nefarious>.
Nefarious or Bad. 2016. Accessed August 14, 2026. https://thesaurus.plus/related/bad/nefarious.
Google Ngram Viewer shows how "bad" and "nefarious" have occurred on timeline