4
moonstruck(adjective, insane, sane)
4
peculiar(adjective, crazy)
4
senile
4
strange(adjective, crazy)
4
unconventional(adjective, crazy)
4
whacky
4
witless(adjective, weak, simple, silly, foolish)
3
blockheaded(adjective, foolish)
3
bugs
3
certifiable
3
crack-brained
3
crackpot(adjective, foolish)
3
disordered(adjective, wrong, wild, crazy, unsettled)
3
distracted(crazy, insane, irrational)
3
distraught(adjective, wrong, crazy, sick, confused)
3
dopey(adjective, foolish)
3
erratic
3
flighty
3
half-witted(adjective, weak, simple, silly, foolish)
3
kinky
11 years ago|19k views|share |citing 
APASmart Define. (2015). dotty thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/dotty/thesaurus/synonyms
ChicagoSmart Define. 2015. "dotty thesaurus" https://smartdefine.org/dotty/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2015, dotty thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/dotty/thesaurus/synonyms>.
MLASmart Define. "dotty thesaurus" 10 April 2015. Web. 21 September 2026. <https://smartdefine.org/dotty/thesaurus/synonyms>