- Definitions|0
- Thesaurus|161
- Abbreviations|0
| crazy | |
| cuckoo(zany, comical, schtick) | |
| derisory(ridiculous, entertaining, laughing, zany, grody) | |
| far-out | |
| fireball(zany, comical, schtick) | |
| gagged up(expression, entertaining, laughing, zany, clownish) | |
| grotesque | |
| har-har(entertaining, laughing, zany, clownish, schtick) | |
| hare-brained(laughing, zany, comical, schtick) | |
| horse tail(expression, laughing, zany, comical, schtick) | |
| inane | |
| incongruous(adjective, strange, amusing, irritating, ironic) | |
| insane | |
| irritating(adjective, amusing, ironic) | |
| jolly | |
| jovial | |
| joyful | |
| joyous | |
| killing | |
| know ins and outs(expression, idiom, zany, comical, schtick) |
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| APA | Smart Define. (2013). side-splitting thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/side-splitting/thesaurus/synonyms |
| Chicago | Smart Define. 2013. "side-splitting thesaurus" https://smartdefine.org/side-splitting/thesaurus/synonyms (accessed September 22, 2026). |
| Harvard | Smart Define 2013, side-splitting thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/side-splitting/thesaurus/synonyms>. |
| MLA | Smart Define. "side-splitting thesaurus" 19 May 2013. Web. 22 September 2026. <https://smartdefine.org/side-splitting/thesaurus/synonyms> |