75 entries under silliness topic. ×

1
dallying(merriment, triviality, levity, superficiality)
1
flippancy(merriment, triviality, levity, superficiality)
1
flirting(merriment, triviality, levity, superficiality)
1
fool trick(expression, absurdity, stupidity, irrationality)
1
foolhardiness(foolishness, madness, irrationality, idiocy)
1
fooling around(expression, trouble, mischief, to-do)
1
fribble(merriment, triviality, levity, superficiality)
1
frivolousness(merriment, triviality, levity, flightiness)
1
futility(absurdity, foolishness, ridiculousness, pointlessness)
1
gaiety(noun, play, pleasure, excitement, sport)
1
game(noun, play, pleasure, excitement, sport)
1
high jinks(noun, expression, trouble, play, pleasure)
1
impracticality(absurdity, stupidity, foolishness, madness)
1
indiscretion(absurdity, stupidity, foolishness, madness)
1
ineptitude(apathy, absurdity, foolishness, foolhardiness)
1
insensibility(apathy, absurdity, stupidity, irrationality)
1
levity(merriment, triviality, playfulness, superficiality)
1
lightheartedness(merriment, triviality, levity, superficiality)
1
lightness(merriment, triviality, levity, superficiality)
1
mistake(absurdity, stupidity, inconsistency, irrationality)
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APASmart Define. (2016). nonsense thesaurus. Retrieved September 30, 2026, from https://smartdefine.org/nonsense/thesaurus/synonyms
ChicagoSmart Define. 2016. "nonsense thesaurus" https://smartdefine.org/nonsense/thesaurus/synonyms (accessed September 30, 2026).
HarvardSmart Define 2016, nonsense thesaurus, Smart Define, viewed 30 September, 2026, <https://smartdefine.org/nonsense/thesaurus/synonyms>.
MLASmart Define. "nonsense thesaurus" 29 March 2016. Web. 30 September 2026. <https://smartdefine.org/nonsense/thesaurus/synonyms>