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1

lifetime

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noun life·time \ˈlīf-ˌtīm\

Simple Definition of lifetime

  • : the time during which a person is alive

  • : a very long time

  • : the time during which something lasts or is useful

Source: Merriam-Webster's Learner's Dictionary

Full Definition of lifetime

  1. 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. 2 :  an amount accumulated or experienced in a lifetime <a lifetime of regrets>

Examples of lifetime in a sentence

  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



13th Century

First Known Use of lifetime

13th century


2

lifetime

adjective life·time

Definition of lifetime

  1. 1 :  lifelong

  2. 2 :  of long duration or continuance <lifetime legislation>

  3. 3 :  measured or achieved over the span of a career <a baseball player's lifetime batting average>





LIFETIME Defined for Kids

lifetime

play
noun life·time \ˈlīf-ˌtīm\

Definition of lifetime for Students

  1. :  life 2





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