4
ridiculous
4
scatty
4
unwise
3
absurd
3
cockamamie
3
cockeyed
3
derisory
3
financially unsound
3
fond
3
harebrained
3
insane
3
laughable
3
misguided
3
rattlebrained
3
rattlepated
3
sappy
3
scatterbrained
3
silly
3
trippy
3
vacuous
10 years ago|779 views|share |citing 
APASmart Define. (2016). foolish thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/foolish/thesaurus/related
ChicagoSmart Define. 2016. "foolish thesaurus" https://smartdefine.org/foolish/thesaurus/related (accessed September 23, 2026).
HarvardSmart Define 2016, foolish thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/foolish/thesaurus/related>.
MLASmart Define. "foolish thesaurus" 24 March 2016. Web. 23 September 2026. <https://smartdefine.org/foolish/thesaurus/related>