252 entries under silly topic. ×

7
kooky(adjective, weak, simple, wrong, wild)
7
meaningless(adjective, dull, simple, slight, slow)
7
soft(adjective, stupid, green, fat)
7
thick(adjective, dull, simple, slow)
7
trivial(adjective, dull, simple, slight, offensive)
7
weird(adjective, strange, fantastic, odd)
6
cockamamie(adjective, weak, simple, wrong)
6
cockamamy(adjective, thoughtless, unintelligent, nonsensical)
6
feeble-minded(adjective, stupid, vague, impulsive)
6
flighty(adjective, simple, slight, careless)
6
giddy(adjective, simple, rough, careless)
6
insensate(adjective, dull, simple, ability, slow)
6
madcap(adjective, rough, careless, crazy)
6
obtuse(adjective, dull, simple, careless)
5
barmy(adjective, careless, stupid, trivial)
5
careless(adjective, wrong, wild, stupid)
5
cockeyed(adjective, knowledge, ability, informal)
5
dense(adjective, dull, simple, slow)
5
eccentric(adjective, wild, strange, crazy)
5
erratic(adjective, wrong, wild, strange)
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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>