4
side-splitting(adjective, light, silly, crazy, funny)
3
cockamamie
3
cuckoo
3
curious(adjective, ridiculous)
3
dotty
3
dumb(adjective, dull, unintelligent, witless)
3
entertaining(adjective, light, silly, crazy, funny)
3
fantastic
3
frivolous
3
jocund(adjective, amusement)
3
laughing(adjective, laughter, entertaining, zany, clownish)
3
mindless(adjective, dull, silly, absurd, unintelligent)
3
puerile(adjective, dull, silly, absurd, unintelligent)
3
quizzical(funny, amusing, comic, ridiculousness, farcical)
2
balmy
2
barmy
2
baroque
2
brainless(adjective, dull, unintelligent, witless)
2
contemptible(adjective, silly, ridiculous, pitiful, preposterous)
2
extravagant
10 years ago|11k views|share |citing 
APASmart Define. (2016). laughable thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/laughable/thesaurus/synonyms
ChicagoSmart Define. 2016. "laughable thesaurus" https://smartdefine.org/laughable/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2016, laughable thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/laughable/thesaurus/synonyms>.
MLASmart Define. "laughable thesaurus" 14 March 2016. Web. 22 September 2026. <https://smartdefine.org/laughable/thesaurus/synonyms>