4
moonstruck(adjective, silly, foolish, stupid, mad)
4
nonsensical(adjective, wild, silly, foolish, stupid)
4
off one's rocker(adjective, idiom, sane)
4
preposterous(adjective, strange, silly, foolish, stupid)
4
psycho(adjective, silly, foolish, crazy, mad)
4
queer(crazy, cuckoo)
4
ridiculous(adjective, light, wild, silly, foolish)
4
unstable(disturbed, erratic, unhinged)
4
whacky
4
wrong(adjective, sane)
3
bugs
3
fatuitous
3
half-baked(adjective, silly, foolish, stupid, impulsive)
3
imbecile(foolish, crazy, insane)
3
meshuga
3
off(adjective, sane)
3
psychopathic(adjective, silly, foolish, stupid)
3
schizoid(adjective, insane)
3
screwball(adjective, silly, foolish, crazy, mad)
3
unreasonable(adjective, silly, foolish, stupid, crazy)
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APASmart Define. (2015). batty thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/batty/thesaurus/synonyms
ChicagoSmart Define. 2015. "batty thesaurus" https://smartdefine.org/batty/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2015, batty thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/batty/thesaurus/synonyms>.
MLASmart Define. "batty thesaurus" 10 April 2015. Web. 23 September 2026. <https://smartdefine.org/batty/thesaurus/synonyms>