Synonyms of round the bend
round the bend
madSomeone who is mad has a mind that does not work in a normal way, with the result that their behaviour is very strange.
• the mad old lady down the street
insanemental (slang)crazy (informal)nuts (slang)bananas (slang)barking (slang)ravingdistractedfranticfrenziedunstablecrackers (British, slang)batty (slang)crazedlunaticloony (slang)psychoticdementedcuckoo (informal)unbalancedbarmy (slang)nutty (slang)derangeddeliriousrabidbonkers (slang, British)flaky (US, slang)unhingedloopy (informal)crackpot (informal)out to lunch (informal)round the bend (British, slang)aberrantbarking mad (slang)out of your mindgonzo (slang)screwy (informal)doolally (slang)off your head (slang)off your trolley (slang)round the twist (British, slang)up the pole (informal)of unsound mindas daft as a brush (informal, British)lost your marbles (informal)not right in the headnon compos mentisoff your rocker (slang)not the full shilling (informal)off your nut (slang)off your chump (slang)wacko or whacko (informal)off the air (Australian, slang)
Thesaurus for round the bend from the Collins English Thesaurus