Serious
Serious adjective - Not joking or playful in mood or manner.
Tedious and serious are semantically related. In some cases you can use "Tedious" instead an adjective "Serious".
Nearby Words: seriously, seriousness
Cite this Source
Tedious and Serious. (2016). Retrieved 2026, August 16, from https://thesaurus.plus/related/serious/tedious
Serious & Tedious. N.p., 2016. Web. 16 Aug. 2026. <https://thesaurus.plus/related/serious/tedious>.
Tedious or Serious. 2016. Accessed August 16, 2026. https://thesaurus.plus/related/serious/tedious.
Google Ngram Viewer shows how "serious" and "tedious" have occurred on timeline