33 entries under foolish topic. ×

26
immature(adjective, tender, pure, silly)
24
puerile(adjective, silly, trivial, green)
17
silly(adjective, innocent, trivial, absurd)
8
simple(adjective, pure, stupid, innocent)
7
naive(adjective, weak, tender, pure, silly)
6
stupid(adjective, silly, rash, absurd)
6
unwise(adjective, stupid, rash, absurd)
5
senseless(adjective, silly, trivial, absurd)
4
inane(adjective, silly, stupid, absurd)
4
irresponsible(adjective, stupid, rash, absurd)
2
foolhardy(adjective, simple, careless, stupid)
2
ill-advised(rash, risky)
2
ill-considered(adjective, silly, trivial, rash)
1
imprudent(stupid, rash, absurd, risky)
1
inappropriate(stupid, rash, absurd, risky)
1
indiscreet(rash, risky)
1
rash
1
reckless(rash, risky)
1
unintelligent(silly, rash, absurd, risky)
1
witless(silly, rash, risky, unintelligent)
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APASmart Define. (2015). childish thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/childish/thesaurus/synonyms
ChicagoSmart Define. 2015. "childish thesaurus" https://smartdefine.org/childish/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2015, childish thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/childish/thesaurus/synonyms>.
MLASmart Define. "childish thesaurus" 14 April 2015. Web. 25 September 2026. <https://smartdefine.org/childish/thesaurus/synonyms>