LIFELONG Synonyms: 57 Similar and Opposite Words

lifelong

adjective

Definition of lifelong

as in deep

continuing or lasting through a person's life He had a lifelong love of nature. a lifelong friendship

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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 lifelong He’s been impressed with how his lifelong friend has navigated everything swirling around him. — Paul Johnson, Chicago Tribune, 29 Oct. 2026 Molina and Mello join previously announced Sam Heughan, who will play Conal, one of Ascent Ventures top agents, and Amy Madigan as Rachel, a former executive at Ascent Ventures and Catriona’s (Davis) lifelong mentor. — Denise Petski, Deadline, 29 Oct. 2026 The lifelong Republican and self-described small-town attorney has spent countless hours trying to figure out what's going on with 1,000 acres of farmland and trees that property records show were sold to a data center developer in 2024 and 2025. — Andrea Hsu, NPR, 28 Oct. 2026 The elderly mom called Acton a lifelong liar in the ad but didn’t mention the fact that state authorities removed Acton, then 12, and her brother from her custody after Acton’s stepfather was charged with raping her. — Dave Goldiner, New York Daily News, 28 Oct. 2026 See All Example Sentences for lifelong

Recent Examples of Synonyms for lifelong

Adjective

Thunder general manager Sam Presti didn’t specify how long both will miss, but they are expected to miss months, at a minimum, putting their availability for any playoff run — especially a deep one — in serious doubt.

— Andrew Greif, NBC news, 29 Oct. 2026
The formulation also contains the patented Cell-Ox Shield Technology, which combines sun protection with antioxidants for deeper skin protection.

— Lauren Valenti, Vogue, 29 Oct. 2026

Definition of deep

Adjective

Gulf War legacy The device addresses a persistent threat from munitions deployed during the 1991 Gulf War.

— Aamir Khollam, Interesting Engineering, 31 Oct. 2026
But analysts say interventions like this may do little to arrest the persistent slide, amid weak consumer spending and concerns over a possible bursting of the AI bubble.

— John Liu, CNN Money, 30 Oct. 2026

Definition of persistent

Adjective

From an avant-garde temple to to contemporary buildings constructed to resemble skeletal forms, below are architectural marvels that reveal why skeletons remain an enduring muse for architects.

— Livia Caligor, Architectural Digest, 30 Oct. 2026
If nuclear propulsion is confirmed, the Type 004 would mark a particularly important milestone, potentially giving China the ability to operate a more capable and enduring carrier force.

— Prabhat Ranjan Mishra, Interesting Engineering, 30 Oct. 2026

Definition of enduring

Adjective

Yet whatever the circumstances, the characters who populate her songs have an abiding and unshakable likability.

— New York Times, New York Times, 28 Apr. 2026
Though only married for a few years, their partnership feels seasoned, fortified by faith, ambition and an abiding sense of gratitude.

— Partner Content, Variety, 17 Dec. 2025

Definition of abiding

Adjective

The Beach Boys’ touring machine has been going nearly nonstop for the last 65 or so years, as Stamos and Christian Love noted in the intro, driven by Mike as one of pop music’s most inveterate and even seemingly compulsive tourers.

— Chris Willman, Variety, 12 Oct. 2026
An inveterate performer, Carvey gave off a sense of perpetual people-pleasing, and the results were undeniably popular and hilarious, as the laughs echoed throughout his sketches.

— Dennis Perkins, Entertainment Weekly, 26 Sep. 2026

Definition of inveterate

Adjective

The first Prancing Horse without a combustion engine was always going to be an affront to the most hard-core faction of the brand’s many loyalists, but disappointment with the important model surpassed even them.

— Bryan Hood, Robb Report, 22 Oct. 2026
Salazar’s attempt to distance herself from the increasingly-unpopular president could potentially appease moderate and independent voters, but her TV ad also irritated Trump personally — as well as some of his hard-core MAGA supporters.

— Michael Vasquez, Miami Herald, 21 Oct. 2026

Definition of hard-core

Browse Nearby Words

lifelike

lifelong

life of Riley

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“Lifelong.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/lifelong. Accessed 4 Nov. 2026.

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Synonyms of lifelong

adjective

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