6
barmy
6
kooky
6
loony
6
loopy
5
balmy
5
bats
5
batty
5
bonkers
5
buggy
5
cracked
5
crackers
5
fruity
5
haywire
5
loco
5
nuts
5
nutty
4
around the bend
4
daft
4
dotty
4
wacky
13 years ago|2.4k views|share |citing 
APASmart Define. (2013). kookie thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/kookie/thesaurus/synonyms
ChicagoSmart Define. 2013. "kookie thesaurus" https://smartdefine.org/kookie/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2013, kookie thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/kookie/thesaurus/synonyms>.
MLASmart Define. "kookie thesaurus" 28 June 2013. Web. 20 September 2026. <https://smartdefine.org/kookie/thesaurus/synonyms>