80 entries under foolish topic. ×

1
ill-considered(weak, simple, silly, thoughtless)
1
imprudent(weak, simple, silly, thoughtless)
1
incautious(weak, simple, silly, thoughtless)
1
indiscreet(weak, simple, silly, thoughtless)
1
injudicious(weak, simple, silly, thoughtless)
1
nerdy(weak, simple, silly, thoughtless)
1
short-sighted(weak, simple, silly, thoughtless)
1
simple-minded(adjective, simple, slow, stupid)
1
weak(simple, silly, thoughtless, unwise)
0
birdbrained(crazy, insane, unintelligent, mindless)
0
enthusiastic(adjective, silly, crazy, mad)
0
foolhardy(crazy, insane)
0
gung ho(expression, adjective, silly, crazy)
0
keen(adjective, silly, crazy, mad)
0
slow(adjective, simple, silly, stupid)
0
thick-witted(crazy, insane)
0
unusual(adjective, silly, crazy, mad)
0
very stupid(expression, crazy, insane)
0
warm(adjective, silly, crazy, mad)
0
zealous(adjective, silly, crazy, mad)
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APASmart Define. (2015). daffy thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/daffy/thesaurus/synonyms
ChicagoSmart Define. 2015. "daffy thesaurus" https://smartdefine.org/daffy/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2015, daffy thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/daffy/thesaurus/synonyms>.
MLASmart Define. "daffy thesaurus" 13 April 2015. Web. 25 September 2026. <https://smartdefine.org/daffy/thesaurus/synonyms>