97 entries under silly topic. ×

9
balmy(adjective, foolish, fantastic, unwise)
9
cuckoo(adjective, foolish, unwise)
9
empty-headed(adjective, frivolous, dizzy, frothy)
9
mad(adjective, foolish, unwise)
9
nuts(noun, adjective, strange, foolish)
8
harebrained(adjective, foolish, fantastic, unwise)
8
puerile(adjective, foolish, fantastic, unwise)
7
batty(noun, adjective, light, stupid)
7
bonkers(adjective, foolish, unwise)
7
absurd(adjective, light, informal, foolish)
7
barmy(adjective, foolish, unwise)
7
ditsy(adjective, informal, frivolous, dizzy)
7
insane(adjective, foolish, fantastic, unwise)
6
lunatic(adjective, foolish, unwise)
6
potty(adjective, foolish, unwise)
5
screwball(adjective, foolish, unwise)
5
demented(adjective, strange, foolish, odd)
5
fruity(foolish, unwise)
5
mawkish
4
cracked(adjective, foolish, unwise)
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APASmart Define. (2016). goofy thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/goofy/thesaurus/synonyms
ChicagoSmart Define. 2016. "goofy thesaurus" https://smartdefine.org/goofy/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2016, goofy thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/goofy/thesaurus/synonyms>.
MLASmart Define. "goofy thesaurus" 24 March 2016. Web. 26 September 2026. <https://smartdefine.org/goofy/thesaurus/synonyms>