11
moronic(adjective, weak, simple, silly, foolish)
11
potty(adjective, wild, silly, foolish, stupid)
11
preposterous(adjective, weak, simple, wrong, wild)
10
asinine(adjective, weak, simple, silly, foolish)
10
bananas(adjective, slang, crazy, mad, sane)
10
buggy(adjective, slang, foolish, crazy, mad)
10
loopy(adjective, foolish)
10
psychotic(adjective, silly, foolish, stupid, crazy)
9
crazed(adjective, wild, silly, foolish, stupid)
9
imbecilic(adjective, weak, simple, silly, foolish)
9
mental(adjective, simple, silly, foolish, mad)
9
round the bend(expression, adjective, idiom, silly, foolish)
9
wild(adjective, wrong, unusual, enthusiastic, strange)
8
beautiful(adjective, appearance, taste, beauty, smell)
8
gaga(adjective, keen, warm, informal, passionate)
8
haywire
8
pixilated(adjective, slang, crazy, mad, eccentric)
8
quaint(adjective, appearance, taste, beauty, smell)
8
soft(adjective, appearance, taste, beauty, smell)
8
unhinged(adjective, silly, foolish, crazy, mad)
11 years ago|23k views|share |citing 
APASmart Define. (2015). nutty thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/nutty/thesaurus/synonyms
ChicagoSmart Define. 2015. "nutty thesaurus" https://smartdefine.org/nutty/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2015, nutty thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/nutty/thesaurus/synonyms>.
MLASmart Define. "nutty thesaurus" 10 April 2015. Web. 22 September 2026. <https://smartdefine.org/nutty/thesaurus/synonyms>