What is another word for stark-raving mad?
Pronunciation: [stˈɑːkɹˈe͡ɪvɪŋ mˈad] (IPA) 
Synonyms for the phrase "stark-raving mad" include a range of colourful idioms that describe intense emotions and irrational behaviour. Some alternatives include "bananas", "crazy as a loon", "certifiable", "nuts", "bonkers", "out of one's mind", "insane", "bug-eyed", "deranged", "cuckoo", "demented", "unhinged" and "mad as a hatter". These phrases are used to convey extreme levels of madness or irrationality, often in a humorous or hyperbolic way. Despite their somewhat pejorative connotations, these expressions have remained popular in common parlance and continue to be used in everyday conversation and popular culture.
