135 entries under silly topic. ×

6
moronic(adjective, foolish, stupid, crazy)
6
out to lunch(expression, adjective, idiom, mad)
6
stupid(adjective, wild, foolish, insignificant)
5
unsound(adjective, wrong, foolish, stupid)
4
absurd(adjective, light, wild, foolish)
4
berserk(adjective, foolish, crazy, mad)
4
delirious(adjective, foolish, crazy, mad)
4
flaky(adjective, light, wild, foolish)
4
frenzied(adjective, wrong, wild, foolish)
4
imbecilic(adjective, slow, foolish, stupid)
4
inane(adjective, wild, foolish, stupid)
4
ludicrous(adjective, light, wild, foolish)
4
moonstruck(adjective, foolish, stupid, mad)
4
nonsensical(adjective, wild, foolish, stupid)
4
preposterous(adjective, strange, foolish, stupid)
4
psycho(adjective, foolish, crazy, mad)
4
ridiculous(adjective, light, wild, foolish)
3
half-baked(adjective, foolish, stupid, impulsive)
3
psychopathic(adjective, foolish, stupid)
3
screwball(adjective, foolish, crazy, mad)
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APASmart Define. (2015). batty thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/batty/thesaurus/synonyms
ChicagoSmart Define. 2015. "batty thesaurus" https://smartdefine.org/batty/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2015, batty thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/batty/thesaurus/synonyms>.
MLASmart Define. "batty thesaurus" 10 April 2015. Web. 24 September 2026. <https://smartdefine.org/batty/thesaurus/synonyms>