Sullen
Sullen adjective - Causing or marked by an atmosphere lacking in cheer.
Unfulfilled and sullen are semantically related In some cases you can use "Unfulfilled" instead an adjective "Sullen".
Nearby Word: sullenly
Unfulfilled
Unfulfilled adjective - Of persons; marked by failure to realize full potentialities.
Sullen and unfulfilled are semantically related in discontented topic. Sometimes you can use "Sullen" instead an adjective "Unfulfilled".
Cite this Source
Unfulfilled and Sullen. (2016). Retrieved 2026, August 03, from https://thesaurus.plus/related/sullen/unfulfilled
Sullen & Unfulfilled. N.p., 2016. Web. 03 Aug. 2026. <https://thesaurus.plus/related/sullen/unfulfilled>.
Unfulfilled or Sullen. 2016. Accessed August 03, 2026. https://thesaurus.plus/related/sullen/unfulfilled.
Google Ngram Viewer shows how "sullen" and "unfulfilled" have occurred on timeline