191 entries under foolish topic. ×

1
doltish(weak, simple, silly, thoughtless)
1
erroneous(adjective, unreasonable, mistaken, ill-advised)
1
faked-out(adjective, unreasonable, mistaken, ill-advised)
1
fantastic(weak, simple, silly, thoughtless)
1
feebleminded(weak, simple, silly, thoughtless)
1
flaky(adjective, wrong, wild, silly)
1
impracticable(adjective, wild, silly, unreasonable)
1
invalid(adjective, wrong, stupid, crazy)
1
leaving self wide open(expression, careless, thoughtless, rash)
1
meaningless(adjective, simple, silly, stupid)
1
misplaced(adjective, unreasonable, mistaken, ill-advised)
1
mistaken(adjective, unreasonable, ill-advised, deluded)
1
moronic(adjective, weak, simple, silly)
1
nerdy(weak, simple, silly, thoughtless)
1
off the deep end(expression, careless, thoughtless, rash)
1
overhasty(careless, thoughtless, rash, risky)
1
playing with fire(expression, careless, thoughtless, rash)
1
quixotic(wild, silly, unreasonable, absurd)
1
stonewalled(adjective, unreasonable, mistaken, ill-advised)
1
temerarious(adjective, careless, thoughtless, rash)
11 years ago|16k views|share |citing 
APASmart Define. (2015). unwise thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/unwise/thesaurus/synonyms
ChicagoSmart Define. 2015. "unwise thesaurus" https://smartdefine.org/unwise/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2015, unwise thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/unwise/thesaurus/synonyms>.
MLASmart Define. "unwise thesaurus" 14 April 2015. Web. 26 September 2026. <https://smartdefine.org/unwise/thesaurus/synonyms>