The phrase "stroke of death" is often used to refer to a sudden or unexpected event that leads to someone's demise. Some synonyms for this phrase include "fatal blow", "death blow", "killing stroke", "death knell", and "mortal injury". These words carry a sense of finality and the understanding that the individual has passed away as a result of this event. While the phrase "stroke of death" is rarely used in everyday language, these synonyms provide a clear and concise way to describe the tragic and irreversible nature of death.