Sinister
Sinister adjective - Being or showing a sign of evil or calamity to come.
Unctuous
Unctuous adjective - Not being or expressing what one appears to be or express.
Sinister and unctuous are semantically related. Sometimes you can use "Sinister" instead an adjective "Unctuous".
Nearby Word: unctuously
Mutual synonyms
Both words in one sentence
-
Ambiguously Evil: Yoshino, the unctuous Posiedon delegate, and her equally sinister entourage in Ex Machina.
Source: Manga / Appleseed
Cite this Source
Unctuous and Sinister. (2016). Retrieved 2026, July 22, from https://thesaurus.plus/related/sinister/unctuous
Sinister & Unctuous. N.p., 2016. Web. 22 Jul. 2026. <https://thesaurus.plus/related/sinister/unctuous>.
Unctuous or Sinister. 2016. Accessed July 22, 2026. https://thesaurus.plus/related/sinister/unctuous.
Google Ngram Viewer shows how "sinister" and "unctuous" have occurred on timeline