useful life

noun

: the amount of time during which something is in good enough condition to be used
the useful life of a satellite

Examples of useful life in a Sentence

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They should have been plugged when their useful life was over. Camila Domonoske, NPR, 7 July 2025 Gibson said Station 3, built in 1973, is nearing the end of its useful life and would require an upgrade at the very least. Erika I. Ritchie, Oc Register, 25 June 2025 More than 17 years after the Waukegan National Airport’s runway reached the end of its useful life and more than two years after a proposal to build a new one became a controversial subject dividing the community, circumstances changed again. Steve Sadin, Chicago Tribune, 16 June 2025 Cleaning composite decking can add years to its useful life. Tim Carter, Hartford Courant, 7 June 2025 See All Example Sentences for useful life

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“Useful life.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/useful%20life. Accessed 18 Jul. 2025.

Legal Definition

useful life

noun
use·​ful life
: an estimated amount of time during which an asset or facility will yield income or be useful see also depreciation sense 1
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