50 entries under silliness topic. ×

1
festivity(noun, sport, cheer, happiness, fun)
1
flightiness(humor, merriment, triviality, levity)
1
flirting(merriment, triviality, levity, superficiality)
1
flummery(merriment, triviality, levity, superficiality)
1
folly(humor, merriment, triviality, levity)
1
fribble(merriment, triviality, levity, superficiality)
1
frippery(merriment, triviality, levity, superficiality)
1
frivolousness(merriment, triviality, levity, inappropriateness)
1
game(merriment, triviality, levity, superficiality)
1
jest(merriment, triviality, levity, superficiality)
1
laughs(noun, humor, cheerfulness, laughter, jollity)
1
nonsense(merriment, triviality, levity, superficiality)
1
play(merriment, triviality, levity, superficiality)
1
puerility(merriment, triviality, levity, superficiality)
1
toying(merriment, triviality, levity, superficiality)
1
trifling(humor, merriment, triviality, levity)
1
triviality(noun, humor, merriment, levity)
1
volatility(humor, merriment, triviality, levity)
1
whimsicality(merriment, triviality, levity, superficiality)
1
whimsy(merriment, triviality, levity, playfulness)
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APASmart Define. (2015). lightheartedness thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/lightheartedness/thesaurus/synonyms
ChicagoSmart Define. 2015. "lightheartedness thesaurus" https://smartdefine.org/lightheartedness/thesaurus/synonyms (accessed September 29, 2026).
HarvardSmart Define 2015, lightheartedness thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/lightheartedness/thesaurus/synonyms>.
MLASmart Define. "lightheartedness thesaurus" 13 April 2015. Web. 29 September 2026. <https://smartdefine.org/lightheartedness/thesaurus/synonyms>