There are many synonyms for the phrase "be killed". These include "be slain", "be murdered", "be executed", "be assassinated", "be put to death", "be eliminated", "be exterminated", and "be sacrificed". Each of these terms indicates a violent or intentional ending of a life. The specific connotation of each term may depend on the circumstances of the death, such as whether it was a targeted attack or a lawful execution. However, all of these synonyms indicate a permanent and inevitable conclusion to a living being's existence.