Dull
Dull adjective - Lacking sharpness of edge or point.
Regressive and dull are semantically related. In some cases you can use "Regressive" instead an adjective "Dull".
Regressive
Regressive adjective - Opposing progress; returning to a former less advanced state.
Dull and regressive are semantically related. Sometimes you can use "Dull" instead an adjective "Regressive".
Mutual synonyms
Cite this Source
Regressive and Dull. (2016). Retrieved 2026, August 14, from https://thesaurus.plus/related/dull/regressive
Dull & Regressive. N.p., 2016. Web. 14 Aug. 2026. <https://thesaurus.plus/related/dull/regressive>.
Regressive or Dull. 2016. Accessed August 14, 2026. https://thesaurus.plus/related/dull/regressive.
Google Ngram Viewer shows how "dull" and "regressive" have occurred on timeline