Definition of "gaga" in English

adjective

1. (informal) Mentally senile.

   • The elderly patients in the hospital were going gaga.

2. (informal) Crazy.

   • You might go gaga if you stare at this screen too long.

3. (informal) Infatuated.

   • The girls were going gaga over the handsome new boy who joined the class.

noun

1. Alternative form of ga-ga (“game resembling dodgeball”).