batty
adjective /ˈbæti/
  /ˈbæti/
 (informal, especially British English)- (of people or ideas) slightly crazy, in a way that causes no harm
- a batty old man
 - Her mum’s completely batty.
 - There was a batty old woman living next door.
 
Synonyms madmadTopics Personal qualitiesc2- crazy
 - nuts
 - batty
 - out of your mind
 - (not) in your right mind
 
- mad (especially British English, informal) having a mind that does not work normally:
- I thought I’d go mad if I stayed any longer.
 
 - crazy (informal) having a mind that does not work normally:
- A crazy old woman rented the upstairs room.
 
 - nuts [not before noun] (informal) mad:
- That noise is driving me nuts!
 - You guys are nuts!
 
 - batty (especially British English, informal) slightly mad, in a harmless way:
- Her mum’s completely batty.
 
 - out of your mind (informal) unable to think or behave normally, especially because of extreme shock or worry:
- She was out of her mind with grief.
 
 - (not) in your right mind (informal) (not) mentally normal:
- No one in their right mind would choose to work there.
 
 
- to be mad/crazy/nuts/out of your mind/not in your right mind to do something
 - to go mad/crazy/nuts/batty
 - to drive somebody mad/crazy/nuts/batty/out of their mind
 - completely mad/crazy/nuts/batty/out of your mind
 
Word Originearly 20th cent.: from bat (the animal) + -y.