Knee-slapper and Serious

Opposite meaning words

Knee-slapper noun - Someone or something that is very funny.

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Serious is an antonym for knee-slapper in comical topic.

Serious adjective - Not joking or playful in mood or manner.

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Knee-slapper is an antonym for serious.

Nearby Words: seriously, seriousness

Cite this Source

Serious and Knee-slapper. (2016). Retrieved 2026, August 15, from https://thesaurus.plus/related/knee-slapper/serious

Knee-slapper & Serious. N.p., 2016. Web. 15 Aug. 2026. <https://thesaurus.plus/related/knee-slapper/serious>.

Serious or Knee-slapper. 2016. Accessed August 15, 2026. https://thesaurus.plus/related/knee-slapper/serious.