Synonyms|30Antonyms|1|Broader|0Narrower|0Related|5
2
funny(adjective, grave, amusing, showy, entertaining)
2
hoot
1
for grins(expression, silly, absurd, grave, amusing)
1
gasser(silly, ridiculous, absurd, grave, showy)
1
gelastic(silly, ridiculous, absurd, grave, amusing)
1
hilarious(silly, absurd, amusing, entertaining, laughing)
1
riot(amusing, entertaining, laughing, humorous, hilarious)
1
rioter(silly, ridiculous, grave, showy, entertaining)
1
side-splitting(ridiculous, grave, amusing, showy, entertaining)
1
sidesplitting(adjective, funny, amusing, humorous, hilarious)
0
be a ball(entertaining, laughing, clownish, gasser)
0
campy(showy, entertaining, laughing, clownish, supersonic)
0
clownish(entertaining, laughing)
0
crack-up(entertaining, laughing, clownish)
0
crackup(entertaining, laughing, clownish)
0
derisory(ridiculous, entertaining, laughing, riproaring, grody)
0
droll(amusing, entertaining, laughing, humorous, hilarious)
0
entertaining(silly, absurd, amusing, laughing, humorous)
0
extremely funny
0
gagged up(expression, entertaining, laughing, clownish)
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APASmart Define. (2015). knee-slapper thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/knee-slapper/thesaurus/synonyms
ChicagoSmart Define. 2015. "knee-slapper thesaurus" https://smartdefine.org/knee-slapper/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2015, knee-slapper thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/knee-slapper/thesaurus/synonyms>.
MLASmart Define. "knee-slapper thesaurus" 10 April 2015. Web. 21 September 2026. <https://smartdefine.org/knee-slapper/thesaurus/synonyms>