Thesaurus results for LIFETIME

lifetime

noun

ˈlīf-ˌtīm

Definition of lifetime

as in duration

the period during which something exists, lasts, or is in progress the lifetime of the camera's batteries was so short we couldn't get through a day trip without having to replace them

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Example Sentences

Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.

Recent Examples of lifetime To be a part of something that has had a profound impact on the lives of so many across both the healthcare and my own neurodivergent communities has been a once-in-a-lifetime experience. — Bryan Alexander, USA Today, 8 July 2026 What began as a mandatory school assignment could lead to a lifetime purpose for a Saratoga student. — Nollyanne Delacruz, Mercury News, 8 July 2026 Roughly 37% of veterans from the Gulf War in 1991 receive lifetime disability benefits. — Anna Mulrine Grobe, Christian Science Monitor, 8 July 2026 When customer lifetime value should outrank a clean ROAS number. — Marvin Abdel-Massih, Forbes.com, 8 July 2026 See All Example Sentences for lifetime

Recent Examples of Synonyms for lifetime

Noun

Projects, such as Form Energy’s 10 MW/1,000 MWh iron-air battery at Xcel’s Sherco site and ACES Delta’s hydrogen storage hub in Utah, point toward a system designed for much longer duration support.

— Junaid Ali, Forbes.com, 8 July 2026
Betavoltaic batteries are best suited for low-power applications that require a reliable, long-duration source of electricity.

— Stephen Clark, ArsTechnica, 8 July 2026

Definition of duration

Noun

While Spirometra are known to have long lives in humans, the lifespan is typically reported as being around 20 to 30 years.

— Beth Mole, ArsTechnica, 9 July 2026
Penta Tandem monitors vertically stack five light-emitting layers, which improves energy efficiency, significantly boosts peak brightness, and drastically extends the overall lifespan of the screen.

— Zackery Cuevas, PC Magazine, 9 July 2026

Definition of lifespan

Noun

This study focuses on people who played soccer at the highest levels, but a lot of people play for at least some period of their lives.

— Madeline Holcombe, CNN Money, 12 July 2026
This British drama series follows a woman named Emma over the course of more than six decades of her life, from the 1900s through the 1970s, working her way from impoverished maid to the world’s richest woman.

— Erik Kain, Forbes.com, 12 July 2026

Definition of life

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lifestyles

lifetime

lifetimes

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“Lifetime.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/lifetime. Accessed 15 Jul. 2026.

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Synonyms of lifetime

noun

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