Synonyms and antonyms of Existence and the length of time that something exists in American Thesaurus

existence (noun)

the state of being a real or living thing, or of being present in a particular place, time, or situation

lifetime (noun)

the length of time that something exists or works

life (noun)

the period of time during which something exists or continues

occurrence (noun)

the fact of something existing or happening, especially something unexpected and unpleasant

lifespan (noun)

the length of time that something continues to exist or to be good enough to use

life expectancy (noun)

the length of time that something lasts or remains useful

life cycle (noun)

the length of time that something lasts or remains useful

history (noun)

the length of time that something has existed

coexistence (noun)

formal a situation in which people live together, or things exist together, at the same time or in the same place

existential (adjective)

formal relating to human existence and experience