Serious and Thick-headed
Opposite meaning words
Serious
Serious adjective - Not joking or playful in mood or manner.
Thick-headed is an antonym for serious.
Nearby Words: seriously, seriousness
Thick-headed
Cite this Source
Thick-headed and Serious. (2016). Retrieved 2026, August 15, from https://thesaurus.plus/related/serious/thick-headed
Serious & Thick-headed. N.p., 2016. Web. 15 Aug. 2026. <https://thesaurus.plus/related/serious/thick-headed>.
Thick-headed or Serious. 2016. Accessed August 15, 2026. https://thesaurus.plus/related/serious/thick-headed.
