89 entries under foolish topic. ×

1
unrealistic(adjective, silly, fantastic, unwise)
1
unworkable(silly, fantastic, unwise, impractical)
0
beyond all reason(expression, idiom, silly, fantastic)
0
ape(silly, unwise)
0
bats in the belfry(expression, idiom, silly, unwise)
0
batty(silly, ridiculous, unwise, impractical)
0
berserk(silly, unwise)
0
bonkers(silly, unwise)
0
cuckoo(silly, unwise)
0
delirious(silly, unwise)
0
dingy(silly, unwise)
0
dippy(silly, ridiculous, unwise)
0
flipped(silly, unwise)
0
flipped out(expression, silly, unwise)
0
fruity(silly, unwise)
0
mad as a March hare(expression, idiom, silly, unwise)
0
mad as a hatter(expression, idiom, silly, unwise)
0
maniacal(silly, unwise)
0
mentally strange(expression, silly, unwise)
0
nutty as fruitcake(expression, idiom, silly, unwise)
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APASmart Define. (2016). strange thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/strange/thesaurus/synonyms
ChicagoSmart Define. 2016. "strange thesaurus" https://smartdefine.org/strange/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2016, strange thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/strange/thesaurus/synonyms>.
MLASmart Define. "strange thesaurus" 31 March 2016. Web. 25 September 2026. <https://smartdefine.org/strange/thesaurus/synonyms>