111 entries under silly topic. ×

1
rash(adjective, thoughtless, unwise)
1
senseless(weak, simple, foolish, thoughtless)
1
short-sighted(weak, simple, foolish, thoughtless)
1
simple(weak, foolish, thoughtless, unwise)
1
stupid(weak, simple, foolish, thoughtless)
1
unbalanced(adjective, wild, strange, foolish)
1
unintelligent(weak, simple, foolish, thoughtless)
1
unwise(weak, simple, foolish, thoughtless)
1
weak(simple, extraordinary, strange, foolish)
1
witless(weak, simple, foolish, thoughtless)
1
zany(weak, simple, foolish, thoughtless)
0
ape(foolish, unwise)
0
bats in the belfry(expression, idiom, foolish, unwise)
0
batty(foolish, unwise, impractical, half-baked)
0
berserk(foolish, unwise)
0
bonkers(foolish, unwise)
0
cockeyed(foolish, unwise, impractical, half-baked)
0
cracked(foolish, unwise)
0
crazed(foolish, unwise)
0
cuckoo(foolish, unwise)
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APASmart Define. (2016). fantastic thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/fantastic/thesaurus/synonyms
ChicagoSmart Define. 2016. "fantastic thesaurus" https://smartdefine.org/fantastic/thesaurus/synonyms (accessed September 28, 2026).
HarvardSmart Define 2016, fantastic thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/fantastic/thesaurus/synonyms>.
MLASmart Define. "fantastic thesaurus" 30 March 2016. Web. 28 September 2026. <https://smartdefine.org/fantastic/thesaurus/synonyms>