Life span refers to the length of time a living organism or object persists or survives. Synonyms for this phrase can vary depending on the specific context in which the term is used. Some alternative terms that could be used to describe life span include lifespan, existence, durability, longevity, survival, lifespan expectancy, viability, and resilience. These words are all related to the concept of the length of time an individual, species, or object can survive. Using any of these terms can bring nuance and clarity to discussions about the duration of life, the qualities that contribute to longevity, and the factors that can impact the survival of organisms and objects.