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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Eligible economic development projects can include capital improvement projects, such as street- and skyway-level interior or exterior renovations, equipment purchases with a useful life of at least five years, and public realm improvements such as lighting, outdoor seating or public art. Frederick Melo, Twin Cities, 27 Mar. 2026 The model focuses on predicting remaining useful life, or RUL, which refers to how many cycles a battery can complete before its capacity drops below a usable threshold. Neetika Walter, Interesting Engineering, 24 Mar. 2026 The road is reaching the end of its useful life and will continue to require taxpayer money to maintain it. Matthew Adams, Fort Worth Star-Telegram, 20 Mar. 2026 Commissioners acknowledged the machines were approaching the end of their useful life and the county will have to look toward replacement soon. Dallas Morning News, 17 Mar. 2026 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 4 Apr. 2026.

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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