Not known and Sullen

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Definitions of Not known not found.

Sullen and not known are semantically related. In some cases you can use "Sullen" instead an adjective phrase "Not known".

Sullen adjective - Causing or marked by an atmosphere lacking in cheer.

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Not known and sullen are semantically related. Sometimes you can use "Not known" instead an adjective "Sullen".

Nearby Word: sullenly

Cite this Source

Sullen and Not known. (2016). Retrieved 2026, July 29, from https://thesaurus.plus/related/not_known/sullen

Not known & Sullen. N.p., 2016. Web. 29 Jul. 2026. <https://thesaurus.plus/related/not_known/sullen>.

Sullen or Not known. 2016. Accessed July 29, 2026. https://thesaurus.plus/related/not_known/sullen.

Google Ngram Viewer shows how "not known" and "sullen" have occurred on timeline