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