lifetime


1life·time

noun \ˈlīf-ˌtīm\

: the time during which a person is alive

: a very long time

: the time during which something lasts or is useful

Full 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

2lifetime

adjective

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>

First Known Use of LIFETIME

1834

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