Out-of-bounds and Serious
Opposite meaning words
Out-of-bounds
Serious
Serious adjective - Not joking or playful in mood or manner.
Out-of-bounds is an antonym for serious.
Nearby Words: seriously, seriousness
Cite this Source
Serious and Out-of-bounds. (2016). Retrieved 2026, August 03, from https://thesaurus.plus/related/out-of-bounds/serious
Out-of-bounds & Serious. N.p., 2016. Web. 03 Aug. 2026. <https://thesaurus.plus/related/out-of-bounds/serious>.
Serious or Out-of-bounds. 2016. Accessed August 03, 2026. https://thesaurus.plus/related/out-of-bounds/serious.