1
dippy(adjective, silly, foolish, mad, insane)
1
erratic(adjective, silly, foolish, mad, insane)
1
fruit cake(expression, crazy, mad, insane)
1
gaga
1
idiotic(adjective, silly, foolish, mad, insane)
1
loose in the bean(expression, crazy, mad, insane)
1
loose in the upper storey(expression, crazy, mad, insane)
1
lost one's mind(expression, crazy, mad, insane)
1
lost your marbles(expression, crazy, mad, insane)
1
lost your mind(expression, crazy, mad, insane)
1
lunatic(adjective, silly, foolish, mad, insane)
1
mad as a cut snake(expression, crazy, mad, insane)
1
mad as a meat axe(expression, crazy, mad, insane)
1
maniacal(adjective, silly, foolish, mad, insane)
1
mental(adjective, silly, foolish, mad, insane)
1
moonstruck(adjective, silly, foolish, mad, insane)
1
not right in the head(expression, crazy, mad, insane)
1
nothing upstairs(expression, crazy, mad, insane)
1
nutty as a fruitcake(expression, crazy, mad, insane)
1
off one's block(expression, crazy, mad, insane)
11 years ago|1.7k views|share |citing 
APASmart Define. (2015). round the bend thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/round_the_bend/thesaurus/synonyms
ChicagoSmart Define. 2015. "round the bend thesaurus" https://smartdefine.org/round_the_bend/thesaurus/synonyms (accessed September 27, 2026).
HarvardSmart Define 2015, round the bend thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/round_the_bend/thesaurus/synonyms>.
MLASmart Define. "round the bend thesaurus" 10 April 2015. Web. 27 September 2026. <https://smartdefine.org/round_the_bend/thesaurus/synonyms>