Serious
Serious adjective - Not joking or playful in mood or manner.
Sizeable and serious are semantically related In some cases you can use "Sizeable" instead an adjective "Serious".
Nearby Words: seriously, seriousness
Mutual synonyms
Related pairs
Cite this Source
Sizeable and Serious. (2016). Retrieved 2026, July 22, from https://thesaurus.plus/related/serious/sizeable
Serious & Sizeable. N.p., 2016. Web. 22 Jul. 2026. <https://thesaurus.plus/related/serious/sizeable>.
Sizeable or Serious. 2016. Accessed July 22, 2026. https://thesaurus.plus/related/serious/sizeable.
Google Ngram Viewer shows how "serious" and "sizeable" have occurred on timeline