115 entries under adjective topic. ×

4
softheaded
4
unbalanced(silly, foolish, crazy, mad)
4
unhinged(silly, foolish, mad, insane)
4
unnatural
3
absurd(silly, foolish, unwise)
3
batty(silly, foolish, crazy, mad)
3
bizarre(silly, foolish, usual, unwise)
3
bonkers(silly, foolish, crazy, mad)
3
demented(silly, foolish, crazy, mad)
3
irrational(silly, foolish, unwise)
3
mental(noun, slang, silly, mad)
3
meshuga
3
quirky
3
singular
3
stupid(silly, foolish, unwise)
3
weird(silly, foolish, usual, unwise)
2
abnormal
2
asinine
2
bananas
2
bats
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APASmart Define. (2015). screwball thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/screwball/thesaurus/synonyms
ChicagoSmart Define. 2015. "screwball thesaurus" https://smartdefine.org/screwball/thesaurus/synonyms (accessed September 27, 2026).
HarvardSmart Define 2015, screwball thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/screwball/thesaurus/synonyms>.
MLASmart Define. "screwball thesaurus" 10 April 2015. Web. 27 September 2026. <https://smartdefine.org/screwball/thesaurus/synonyms>