"Kicked the bucket" is a figurative expression that refers to someone who has died. While the origin of this peculiar phrase remains unclear, there are many other synonyms that can be used instead. Some of the more common ones include "passed away", "expired", "departed", "passed on", and "gone to a better place". Other alternatives include "croaked", "bit the dust", "met their maker", "pushed up daisies", and "crossed the great divide". Regardless of which term is used, it is important to communicate respectfully and sensitively when discussing someone's passing.