498 entries under adjective topic. ×

12
childish(silly, innocent, trivial, absurd)
12
dotty(weak, simple, strange, silly)
12
farcical(slight, strange, silly, trivial)
12
ill-considered(weak, simple, careless, silly)
12
imbecile(dull, simple, silly, stupid)
12
lightweight
12
rash(dull, careless, silly, stupid)
12
risible(silly, stupid, absurd, amusing)
12
thoughtless(careless, silly, stupid, crazy)
12
zany(weak, simple, knowledge, ability)
11
doltish(dull, weak, simple, stupid)
11
illogical(wrong, silly, stupid, crazy)
11
indiscreet(dull, weak, simple, offensive)
11
puerile(dull, silly, stupid, fantastic)
10
daffy(weak, simple, silly, stupid)
10
dim(dull, stupid, unintelligent, witless)
10
dim-witted(stupid, unintelligent)
10
dippy(knowledge, slang, ability, silly)
10
fantastic(weak, simple, wild, strange)
10
half-witted(dull, weak, simple, slow)
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APASmart Define. (2016). foolish thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/foolish/thesaurus/synonyms
ChicagoSmart Define. 2016. "foolish thesaurus" https://smartdefine.org/foolish/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2016, foolish thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/foolish/thesaurus/synonyms>.
MLASmart Define. "foolish thesaurus" 24 March 2016. Web. 23 September 2026. <https://smartdefine.org/foolish/thesaurus/synonyms>