82 entries under unwise topic. ×

1
ill-conceived(silly, foolish, fantastic, impulsive)
1
impracticable(silly, foolish, fantastic, impractical)
1
nerdy(weak, simple, silly, foolish, thoughtless)
1
nuts(adjective, wild, silly, foolish, stupid)
1
odd(adjective, wild, strange, silly, foolish)
1
peculiar(silly, foolish, fantastic, impractical)
1
quixotic(silly, foolish, fantastic, impractical)
1
screwy(extraordinary, silly, foolish, amazing, dubious)
1
simple(weak, silly, foolish, thoughtless)
1
strange(silly, foolish, fantastic, impractical)
1
touched(adjective, wild, silly, foolish, stupid)
1
unworkable(silly, foolish, fantastic, impractical)
1
weird(silly, foolish, fantastic, impractical)
0
ape(silly, foolish)
0
bats in the belfry(expression, idiom, silly, foolish)
0
berserk(silly, foolish)
0
bonkers(silly, foolish)
0
crazed(adjective, wild, silly, foolish, stupid)
0
cuckoo(silly, foolish)
0
demented(adjective, wild, silly, foolish, crazy)
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APASmart Define. (2015). harebrained thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/harebrained/thesaurus/synonyms
ChicagoSmart Define. 2015. "harebrained thesaurus" https://smartdefine.org/harebrained/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2015, harebrained thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/harebrained/thesaurus/synonyms>.
MLASmart Define. "harebrained thesaurus" 14 April 2015. Web. 25 September 2026. <https://smartdefine.org/harebrained/thesaurus/synonyms>