Sullen
Taciturn
Taciturn adjective - Tending not to speak frequently (as by habit or inclination).
Sullen and taciturn are semantically related in reserved topic. Sometimes you can use "Sullen" instead an adjective "Taciturn".
Nearby Word: taciturnity
Mutual synonyms
Cite this Source
Taciturn and Sullen. (2016). Retrieved 2026, August 03, from https://thesaurus.plus/related/sullen/taciturn
Sullen & Taciturn. N.p., 2016. Web. 03 Aug. 2026. <https://thesaurus.plus/related/sullen/taciturn>.
Taciturn or Sullen. 2016. Accessed August 03, 2026. https://thesaurus.plus/related/sullen/taciturn.
Google Ngram Viewer shows how "sullen" and "taciturn" have occurred on timeline