27 entries under cuckoo topic. ×

9
unbalanced(adjective, silly, foolish, mad, insane)
8
unhinged(adjective, silly, foolish, stupid, mad)
7
bonkers(adjective, silly, foolish, mad, insane)
7
mental(adjective, silly, foolish, stupid, mad)
5
out to lunch(expression, adjective, idiom, wild, silly)
5
potty(adjective, wild, silly, foolish, mad)
4
barmy(adjective, silly, foolish, mad, insane)
4
fruity(adjective, silly, foolish, mad, insane)
3
schizo(adjective, wild, silly, foolish, mad)
2
bats in the belfry(expression, adjective, idiom, wild, silly)
2
berserk(adjective, silly, foolish, mad, insane)
2
delirious(adjective, silly, foolish, mad, insane)
2
mad as a March hare(expression, adjective, idiom, wild, silly)
2
mad as a hatter(expression, adjective, idiom, wild, silly)
2
nutty as fruitcake(expression, adjective, idiom, wild, silly)
2
psycho(adjective, silly, foolish, mad, insane)
2
round the bend(expression, adjective, idiom, wild, silly)
2
screw loose(expression, adjective, wild, silly, foolish)
2
unglued(adjective, wild, silly, foolish, mad)
1
ape(adjective, silly, foolish, mad, insane)
<12>
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APASmart Define. (2015). of unsound mind thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/of_unsound_mind/thesaurus/synonyms
ChicagoSmart Define. 2015. "of unsound mind thesaurus" https://smartdefine.org/of_unsound_mind/thesaurus/synonyms (accessed September 29, 2026).
HarvardSmart Define 2015, of unsound mind thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/of_unsound_mind/thesaurus/synonyms>.
MLASmart Define. "of unsound mind thesaurus" 10 April 2015. Web. 29 September 2026. <https://smartdefine.org/of_unsound_mind/thesaurus/synonyms>