11
fancy(noun, blunder, illusion, trickery, misconception)
11
fantasy(noun, blunder, illusion, trickery, misconception)
11
figment(noun, blunder, illusion, trickery, misconception)
11
ghost(noun, blunder, illusion, trickery, misconception)
11
illusion(noun, blunder, trickery, misconception)
11
lapse(noun, blunder, illusion, trickery, misconception)
11
mirage(noun, blunder, illusion, trickery, misconception)
11
mistake(noun, blunder, illusion, trickery, misconception)
11
phantasm(noun, blunder, illusion, trickery, misconception)
11
phantom(noun, blunder, illusion, trickery, misconception)
11
self-deception(noun, blunder, illusion, trickery, misconception)
11
shade(noun, blunder, illusion, trickery, misconception)
11
trickery(noun, blunder, illusion, misconception)
11
trip(noun, blunder, illusion, trickery, misconception)
11
vision(noun, blunder, illusion, trickery, misconception)
10
idiotic(adjective, characteristic, stupidity, silliness)
10
inane(adjective, characteristic, stupidity, silliness)
10
stupid(adjective, characteristic, stupidity, silliness)
9
absurd(adjective, characteristic, stupidity, silliness)
9
baby(adjective, characteristic, behavior, children, immaturity)
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APASmart Define. (2016). foolishness thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/foolishness/thesaurus/related
ChicagoSmart Define. 2016. "foolishness thesaurus" https://smartdefine.org/foolishness/thesaurus/related (accessed September 23, 2026).
HarvardSmart Define 2016, foolishness thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/foolishness/thesaurus/related>.
MLASmart Define. "foolishness thesaurus" 29 February 2016. Web. 23 September 2026. <https://smartdefine.org/foolishness/thesaurus/related>