Serious
Serious adjective - Not joking or playful in mood or manner.
Unruffled and serious are semantically related. In some cases you can use "Unruffled" instead an adjective "Serious".
Nearby Words: seriously, seriousness
Unruffled
Unruffled adjective - Free from emotional or mental agitation.
Cite this Source
Unruffled and Serious. (2016). Retrieved 2026, August 03, from https://thesaurus.plus/related/serious/unruffled
Serious & Unruffled. N.p., 2016. Web. 03 Aug. 2026. <https://thesaurus.plus/related/serious/unruffled>.
Unruffled or Serious. 2016. Accessed August 03, 2026. https://thesaurus.plus/related/serious/unruffled.
Google Ngram Viewer shows how "serious" and "unruffled" have occurred on timeline