84 entries under foolish topic. ×

1
puerile(silly, fantastic, unwise, impractical)
1
quixotic(silly, fantastic, unwise, impractical)
1
senseless(silly, fantastic, unwise, impractical)
1
short-sighted(silly, fantastic, unwise, impractical)
1
silly(fantastic, unwise, impractical, half-baked)
1
touched(unusual, strange, silly, crazy)
1
unhinged(unusual, strange, silly, crazy)
1
unrealistic(adjective, silly, fantastic, unwise)
1
unworkable(silly, fantastic, unwise, impractical)
1
zany(silly, unwise)
0
ape(silly, unwise)
0
bats in the belfry(expression, idiom, silly, unwise)
0
berserk(silly, unwise)
0
beyond reason(expression, fantastic, unrealistic)
0
bonkers(silly, crazy, unwise, cuckoo)
0
cracked(silly, unwise)
0
crazed(silly, unwise)
0
cuckoo(silly, crazy, unwise, queer)
0
delirious(silly, unwise)
0
demented(unusual, strange, silly, odd)
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APASmart Define. (2016). peculiar thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/peculiar/thesaurus/synonyms
ChicagoSmart Define. 2016. "peculiar thesaurus" https://smartdefine.org/peculiar/thesaurus/synonyms (accessed September 27, 2026).
HarvardSmart Define 2016, peculiar thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/peculiar/thesaurus/synonyms>.
MLASmart Define. "peculiar thesaurus" 31 March 2016. Web. 27 September 2026. <https://smartdefine.org/peculiar/thesaurus/synonyms>