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lifetime

2 ENTRIES FOUND:

1life·time

noun \ˈlīf-ˌtīm\

Definition of LIFETIME

1
a : the duration of the existence of a living being (as a person or an animal) or a thing (as a star or a subatomic particle) b : life 12
2
: an amount accumulated or experienced in a lifetime <a lifetime of regrets>

Examples of LIFETIME

  1. a lifetime spent traveling the world
  2. It would have taken me a lifetime to read all those books.
  3. Childhood seems a lifetime ago now!
  4. a chemical with a lifetime of only a few minutes
  5. the lifetime of a planet

First Known Use of LIFETIME

13th century

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