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