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

Recent Examples on the Web For one thing, equipment at the connection points is 30 to 40 years old, and nearing the end of its useful life. IEEE Spectrum, 8 Aug. 2018 If the landlord applies for a rent increase based on capital improvements to a heating system, tenants can object by arguing that the existing system has not exceeded its useful life as outlined by the state. Jill Terreri Ramos, New York Times, 16 Mar. 2024 The chemical, a wood preservative and known carcinogen, was once routinely applied to telephone and electric poles to lengthen their useful life. Justin Wm. Moyer, Washington Post, 6 Mar. 2024 Avoid overspending on these items, considering their limited useful life. Pattie Ehsaei, Forbes, 15 Feb. 2024 If the inspection shows the roof has five or more years of useful life left, the insurance company could not reject coverage simply because of age. Lawrence Mower, Miami Herald, 30 Jan. 2024 This will replace equipment that is past its useful life. Tom Johanningmeier, Fort Worth Star-Telegram, 23 Jan. 2024 The groups represent a mix of 5,000 full-time and contract cybersecurity professionals who currently work in World War II-era hangars that are said to be past their useful life. Jennifer Van Grove, San Diego Union-Tribune, 9 Jan. 2024 Public transit rail cars typically have a useful life of 31 years, and after that often need more frequent, expensive repairs, members of the Illinois congressional delegation said in a joint statement. Sarah Freishtat, Chicago Tribune, 5 May 2023

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'useful life.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

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Cite this Entry

“Useful life.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/useful%20life. Accessed 19 Apr. 2024.

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
Last Updated: - Updated example sentences
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