Dull
Dull adjective - Lacking sharpness of edge or point.
Phlegmatic is a synonym for dull in listless topic. In some cases you can use "Phlegmatic" instead an adjective "Dull".
Phlegmatic
Phlegmatic adjective - Not feeling or showing emotion.
Dull is a synonym for phlegmatic in unemotional topic. You can use "Dull" instead an adjective "Phlegmatic", if it concerns topics such as characteristic, sluggish, listless.
Nearby Word: phlegm
Mutual synonyms
Cite this Source
Phlegmatic and Dull. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/dull/phlegmatic
Dull & Phlegmatic. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/dull/phlegmatic>.
Phlegmatic or Dull. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/dull/phlegmatic.
Google Ngram Viewer shows how "dull" and "phlegmatic" have occurred on timeline