- Definitions|1
- Thesaurus|578
- Abbreviations|0
| knee-slapper(adjective, funny, amusing, humorous, hilarious) | |
| screaming | |
| absurd(funny, amusing, humorous, hilarious, rib-tickling) | |
| arduous | |
| chucklesome | |
| comedic | |
| comic(funny, amusing, humorous, hilarious, rib-tickling) | |
| depletes | |
| depletion | |
| difficult | |
| exhaustedly | |
| exhaustingly | |
| extremely funny(expression, funny, hilarious) | |
| good-humored(adjective, funny) | |
| grueling | |
| highly amusing(expression, hilarious) | |
| humoristic | |
| rib-tickling(adjective, funny, amusing, hilarious) | |
| rich(adjective, informal, laughter) | |
| ridiculous(funny, amusing, humorous, hilarious, rib-tickling) |
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| APA | Smart Define. (2013). sidesplitting thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/sidesplitting/thesaurus/synonyms |
| Chicago | Smart Define. 2013. "sidesplitting thesaurus" https://smartdefine.org/sidesplitting/thesaurus/synonyms (accessed September 22, 2026). |
| Harvard | Smart Define 2013, sidesplitting thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/sidesplitting/thesaurus/synonyms>. |
| MLA | Smart Define. "sidesplitting thesaurus" 28 June 2013. Web. 22 September 2026. <https://smartdefine.org/sidesplitting/thesaurus/synonyms> |