23 entries under idiom topic. ×

5
nut case(noun, expression)
3
round the bend(expression, silly, foolish, mad)
2
bats in the belfry(expression, silly, foolish, mad)
2
mad as a March hare(expression, silly, foolish, mad)
2
mad as a hatter(expression, silly, foolish, mad)
2
nutty as fruitcake(expression, silly, foolish, mad)
2
of unsound mind(expression, silly, foolish, mad)
2
out to lunch(expression, adjective, silly, crazy)
1
change of pace
1
just plain nuts
1
non compos mentis(noun, expression, adjective, crazy)
1
off the hinges
1
off the track
1
off the wall
0
beyond all reason(expression, silly, foolish, unwise)
0
eccentric person
0
in love
0
insufficiently cooked
0
out of all reason(expression, silly, foolish, unwise)
0
strange character
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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>