6
potty(adjective, silly, foolish, unwise)
6
senseless(adjective, strange, foolish, stupid, fantastic)
6
yeasty(adjective, frivolous, dizzy, frothy, flighty)
5
ridiculous(adjective, light, informal, foolish, stupid)
5
screwball(adjective, silly, foolish, unwise)
5
buffoonish
5
crackers
5
demented(adjective, strange, silly, foolish, odd)
5
dull(adjective, stupid)
5
fruity(silly, foolish, unwise)
5
loopy
5
mawkish
5
witless(impractical, half-baked, doomed)
4
doltish(adjective, foolish, stupid)
4
ignorant(adjective, foolish, impractical, half-baked, doomed)
4
bats
4
buggy
4
clueless(adjective, stupid)
4
cracked(adjective, silly, foolish, unwise)
4
cushion-witted(adjective, stupid)
10 years ago|17k views|share |citing 
APASmart Define. (2016). goofy thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/goofy/thesaurus/synonyms
ChicagoSmart Define. 2016. "goofy thesaurus" https://smartdefine.org/goofy/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2016, goofy thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/goofy/thesaurus/synonyms>.
MLASmart Define. "goofy thesaurus" 24 March 2016. Web. 24 September 2026. <https://smartdefine.org/goofy/thesaurus/synonyms>