4
psychotic
4
queer(adjective, usual)
4
senseless(adjective, silly, foolish, unwise)
4
silly(adjective, foolish, crazy, mad, insane)
4
softheaded
4
unbalanced(adjective, silly, foolish, crazy, mad)
4
unhinged(adjective, silly, foolish, mad, insane)
4
unnatural(adjective, usual)
3
absurd(adjective, silly, foolish, unwise)
3
batty(adjective, silly, foolish, crazy, mad)
3
bedlamite(noun, crazy, nut, cuckoo, lunatic)
3
bizarre(adjective, silly, foolish, usual, unwise)
3
bonkers(adjective, silly, foolish, crazy, mad)
3
demented(adjective, silly, foolish, crazy, mad)
3
disturbed
3
irrational(adjective, silly, foolish, unwise)
3
madwoman
3
mental(noun, adjective, slang, silly, mad)
3
meshuga
3
queer fish(noun, expression)
11 years ago|13k views|share |citing 
APASmart Define. (2015). screwball thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/screwball/thesaurus/synonyms
ChicagoSmart Define. 2015. "screwball thesaurus" https://smartdefine.org/screwball/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2015, screwball thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/screwball/thesaurus/synonyms>.
MLASmart Define. "screwball thesaurus" 10 April 2015. Web. 24 September 2026. <https://smartdefine.org/screwball/thesaurus/synonyms>