74 entries under nonsense topic. ×

1
feeble-mindedness(noun, apathy, absurdity, ignorance)
1
fool trick(expression, absurdity, stupidity, irrationality)
1
horse feathers(expression, absurdity, stupidity, foolishness)
1
ignorance(apathy, absurdity)
1
inadvisability(absurdity, stupidity, foolishness, madness)
1
incapacity(apathy, absurdity)
1
indiscretion(absurdity, stupidity, foolishness, madness)
1
injudiciousness(apathy, absurdity, ignorance)
1
insensibility(apathy, absurdity, stupidity, ignorance)
1
irresponsibility(fun, absurdity, stupidity, foolishness)
1
ludicrousness(fun, absurdity, stupidity, foolishness)
1
mistake(absurdity, stupidity, silliness, irrationality)
1
nitwittedness(apathy, absurdity, ignorance)
1
obliquity(absurdity, stupidity, foolishness, madness)
1
poppycock(absurdity, stupidity, foolishness, silliness)
1
puerility(apathy, absurdity)
1
rashness(noun, absurdity, stupidity, foolishness)
1
recklessness(absurdity, stupidity, foolishness, madness)
1
ridiculous idea(expression, absurdity, stupidity, foolishness)
1
rubbish(absurdity, stupidity, silliness, irrationality)
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APASmart Define. (2015). lunacy thesaurus. Retrieved September 30, 2026, from https://smartdefine.org/lunacy/thesaurus/synonyms
ChicagoSmart Define. 2015. "lunacy thesaurus" https://smartdefine.org/lunacy/thesaurus/synonyms (accessed September 30, 2026).
HarvardSmart Define 2015, lunacy thesaurus, Smart Define, viewed 30 September, 2026, <https://smartdefine.org/lunacy/thesaurus/synonyms>.
MLASmart Define. "lunacy thesaurus" 13 April 2015. Web. 30 September 2026. <https://smartdefine.org/lunacy/thesaurus/synonyms>