87 entries under foolish topic. ×

2
cockeyed(silly, unwise)
2
fatuous(silly, unwise)
2
flipped(silly, mad, insane, unwise)
2
flipped out(expression, silly, crazy, mad)
2
freaked out(expression, silly, mad, insane)
2
fruity(silly, mad, insane, unwise)
2
harebrained(silly, unwise)
2
idiotic(adjective, silly, mad, insane)
2
ludicrous(adjective, silly, unwise)
2
mad as a March hare(expression, idiom, silly, mad)
2
mad as a hatter(expression, idiom, silly, mad)
2
mentally strange(expression, silly, mad, insane)
2
nutty as fruitcake(expression, idiom, silly, mad)
2
of unsound mind(expression, idiom, silly, mad)
2
outlandish(adjective, silly, usual, unwise)
2
ridiculous(adjective, silly, unwise)
2
screw loose(expression, silly, mad, insane)
2
unwise
1
ape(silly, crazy, mad, insane)
1
berserk(silly, crazy, mad, insane)
11 years ago|13k views|share |citing 
APASmart Define. (2015). screwball thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/screwball/thesaurus/synonyms
ChicagoSmart Define. 2015. "screwball thesaurus" https://smartdefine.org/screwball/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2015, screwball thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/screwball/thesaurus/synonyms>.
MLASmart Define. "screwball thesaurus" 10 April 2015. Web. 26 September 2026. <https://smartdefine.org/screwball/thesaurus/synonyms>