- Definitions|1
- Thesaurus|735
- Abbreviations|0
| bromide(triviality, levity, superficiality) | |
| brusqueness | |
| capriciousness(unpredictability, flightiness, randomness) | |
| carelessness | |
| casualness(noun, buoyancy) | |
| celebration(noun, cheer, happiness, color, brightness) | |
| changeability(unpredictability, flightiness, randomness) | |
| chestnut(triviality, levity, superficiality) | |
| chirpiness(happiness, liveliness, cheerfulness) | |
| comicalness(noun, wittiness, facetiousness) | |
| contentment(noun, pleasure, happiness, joy, enjoyment) | |
| convulsions(noun, humor, laughter, jollity, levity) | |
| corn(triviality, levity, superficiality) | |
| cursoriness | |
| dexterity | |
| drollness(noun, wittiness, facetiousness) | |
| easygoing | |
| ebullience(noun, happiness, cheerfulness, jollity, joviality) | |
| ecstasy(noun, pleasure, happiness, joy, enjoyment) | |
| encouragement(noun, delight, happiness, joy, cheerfulness) |
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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> |