Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun lifetime
1 sense of lifetime
Sense 1
life, lifetime, life-time, lifespan -- (the period during which something is functional (as between birth and death); "the battery had a short life"; "he lived a long and happy life")
=> time period, period of time, period -- (an amount of time; "a time period of 30 years"; "hastened the period of time of his recovery"; "Picasso's blue period")