Fun
Fun adjective - Providing amusement or enjoyment.
Knee-slapper and fun are semantically related. In some cases you can use "Knee-slapper" instead an adjective "Fun".
Knee-slapper
Knee-slapper noun - Someone or something that is very funny.
Fun and knee-slapper are semantically related. Sometimes you can use "Fun" instead an adjective phrase "Knee-slapper".
Both words in one sentence
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A sign in Out of Toon reads "Pimp Struttin' " Let's not forget this classic family friendly knee-slapper after beating the Sun Snake in the first game: Gex: This is about as much fun as being Mike Tyson's cellmate on Valentine's Day.
Source: Video Game / Gex
Cite this Source
Knee-slapper and Fun. (2016). Retrieved 2026, August 09, from https://thesaurus.plus/related/fun/knee-slapper
Fun & Knee-slapper. N.p., 2016. Web. 09 Aug. 2026. <https://thesaurus.plus/related/fun/knee-slapper>.
Knee-slapper or Fun. 2016. Accessed August 09, 2026. https://thesaurus.plus/related/fun/knee-slapper.