128 entries under foolish topic. ×

1
irresponsible(adjective, wrong, wild, silly)
1
keen(adjective, enthusiastic, silly, crazy)
1
off the wall(expression, adjective, idiom, simple, silly)
1
preposterous(adjective, wrong, wild, silly)
1
ridiculous(adjective, simple, wild, silly)
1
screwball(adjective, silly, crazy, mad)
1
stupid(adjective, wild, silly, crazy)
1
weird(adjective, wild, silly, mad)
1
whacko(adjective, simple, crazy, mad)
1
zany(adjective, wild, silly, crazy)
1
zealous(adjective, enthusiastic, silly, crazy)
0
acting crazy(expression, adjective, silly, crazy)
0
asinine(simple, silly, stupid, unsound)
0
backward
0
beyond all reason(expression, idiom, silly, unwise)
0
buggy(adjective, silly, crazy, mad)
0
derisory(silly, unwise)
0
dim-witted
0
dull
0
fantastic(silly, unwise)
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APASmart Define. (2015). deranged thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/deranged/thesaurus/synonyms
ChicagoSmart Define. 2015. "deranged thesaurus" https://smartdefine.org/deranged/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2015, deranged thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/deranged/thesaurus/synonyms>.
MLASmart Define. "deranged thesaurus" 10 April 2015. Web. 24 September 2026. <https://smartdefine.org/deranged/thesaurus/synonyms>