165 entries under foolish topic. ×

10
imprudent(adjective, careless, wild, strange, silly)
8
impulsive(adjective, unstable, unsettled, thoughtless)
8
incautious(adjective, weak, careless, wild)
8
unsound(adjective, characteristic, quality, finance, banking)
7
erratic(adjective, wild, silly, unstable)
7
mad(adjective, wrong, wild, silly)
6
loose(adjective, informal, careless, indifferent)
6
puerile(adjective, silly, stupid, fantastic)
6
risky(adjective, characteristic, quality, finance, banking)
6
stupid(adjective, careless, silly, vague)
6
unpredictable(adjective, careless, unstable, unsettled)
6
unwise(adjective, careless, silly, stupid)
5
fatuous(adjective, wrong, wild, strange, silly)
5
idiotic(adjective, wrong, wild, strange, silly)
5
ridiculous(adjective, silly, stupid, fantastic)
5
unanswerable(adjective, careless, safe, reckless)
4
absurd(adjective, careless, silly, stupid)
4
brash(adjective, careless, wild, thoughtless)
4
childish(adjective, stupid, rash, absurd)
4
dippy(adjective, silly, stupid, absurd)
11 years ago|16k views|share |citing 
APASmart Define. (2015). irresponsible thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/irresponsible/thesaurus/synonyms
ChicagoSmart Define. 2015. "irresponsible thesaurus" https://smartdefine.org/irresponsible/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2015, irresponsible thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/irresponsible/thesaurus/synonyms>.
MLASmart Define. "irresponsible thesaurus" 13 April 2015. Web. 26 September 2026. <https://smartdefine.org/irresponsible/thesaurus/synonyms>