78 entries under adjective topic. ×

2
imbecilic(knowledge, ability, foolish)
2
imprudent
2
inept
2
irrational
2
kooky
2
loopy(knowledge, ability, informal, foolish)
2
ludicrous
2
lumpish
2
moronic(knowledge, ability, foolish)
2
nutty
2
opaque
2
unearthly(knowledge, ability, foolish)
2
unreasonable
2
unwise
2
weak
1
anserine
1
apish
1
dense
1
feebleminded
1
incautious
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APASmart Define. (2015). tomfool thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/tomfool/thesaurus/synonyms
ChicagoSmart Define. 2015. "tomfool thesaurus" https://smartdefine.org/tomfool/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2015, tomfool thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/tomfool/thesaurus/synonyms>.
MLASmart Define. "tomfool thesaurus" 13 April 2015. Web. 23 September 2026. <https://smartdefine.org/tomfool/thesaurus/synonyms>