Nefarious and Questionable

Nefarious

Nefarious adjective - Not conforming to a high moral standard; morally unacceptable.

Questionable and nefarious are semantically related. In some cases you can use "Questionable" instead an adjective "Nefarious".

Questionable

Questionable adjective - Giving good reason for being doubted, questioned, or challenged.

Nefarious and questionable are semantically related. Sometimes you can use "Nefarious" instead an adjective "Questionable".

Cite this Source
Questionable and Nefarious. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/nefarious/questionable
Nefarious & Questionable. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/nefarious/questionable>.
Questionable or Nefarious. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/nefarious/questionable.
Google Ngram Viewer shows how "nefarious" and "questionable" have occurred on timeline