Definition of lifetime
1a : the duration of the existence of a living being (such as a person or an animal) or a thing (such as a star or a subatomic particle)b : life 12
2 : an amount accumulated or experienced in a lifetime a lifetime of regrets
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Examples of lifetime in a Sentence
a lifetime spent traveling the world
It would have taken me a lifetime to read all those books.
Childhood seems a lifetime ago now!
a chemical with a lifetime of only a few minutes
the lifetime of a planet
13th Century
First Known Use of lifetime
13th century
lifetime
Definition of lifetime
1 : lifelong
2 : of long duration or continuance lifetime legislation
3 : measured or achieved over the span of a career a baseball player's lifetime batting average
1834
First Known Use of lifetime
1834
LIFETIME Defined for English Language Learners
Definition of lifetime for English Language Learners
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: the time during which a person is alive
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: a very long time
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: the time during which something lasts or is useful
LIFETIME Defined for Kids
Learn More about lifetime
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See words that rhyme with lifetime Thesaurus: All synonyms and antonyms for lifetime Spanish Central: Translation of lifetime Nglish: Translation of lifetime for Spanish speakers Britannica English: Translation of lifetime for Arabic speakers
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