- Definitions|1
- Thesaurus|735
- Abbreviations|0
| trifling(humor, merriment, triviality, levity, silliness) | |
| triviality(noun, humor, merriment, levity, silliness) | |
| unrestraint | |
| vertigo | |
| vivacity(noun, pleasure, sport, cheer, happiness) | |
| volatility(humor, merriment, triviality, levity, silliness) | |
| warmheartedness | |
| warmness(noun, cheerfulness) | |
| whimsicality(merriment, triviality, levity, silliness, superficiality) | |
| whimsy(merriment, triviality, levity, silliness, playfulness) | |
| whole-spiritedness | |
| whoopee(noun, sport, cheer, happiness, fun) | |
| wingding(noun, sport, cheer, happiness, fun) | |
| abandon | |
| absurdity(humor, silliness, lightness, mirth, funniness) | |
| airheadedness(unpredictability, flightiness, randomness) | |
| alacrity | |
| banality(triviality, levity, superficiality) | |
| bliss(noun, pleasure, happiness, joy, enjoyment) | |
| breeziness(noun, flippancy) |
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| APA | Smart Define. (2015). lightheartedness thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/lightheartedness/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "lightheartedness thesaurus" https://smartdefine.org/lightheartedness/thesaurus/synonyms (accessed September 22, 2026). |
| Harvard | Smart Define 2015, lightheartedness thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/lightheartedness/thesaurus/synonyms>. |
| MLA | Smart Define. "lightheartedness thesaurus" 13 April 2015. Web. 22 September 2026. <https://smartdefine.org/lightheartedness/thesaurus/synonyms> |