un·​fail·​ing ˌən-ˈfā-liŋ How to pronounce unfailing (audio)
: not failing or liable to fail:
: constant, unflagging
unfailing courtesy
: everlasting, inexhaustible
a subject of unfailing interest
: infallible, sure
an unfailing test
unfailingly adverb

Example Sentences

She is known for her unfailing optimism. an unfailing judge of personal character
Recent Examples on the Web From the slinky R&B of Dangerously in Love to the confessional lyricism of Lemonade, Beyoncé’s solo career is characterized by bold artistic swings and an unfailing sense of style. Keaton Bell, Vogue, 4 Sep. 2021 Hong and Dalene rode just at the edge of restraint, sustaining a neoclassical elegance through precise and detailed rhythmic unisons, and, in the violin, a silken tone and unfailing intonation. Luke Schulze, San Diego Union-Tribune, 1 Feb. 2023 The brakes, cooled by strange fan-blade wheels that make the low-profile seventeen-inch tires look like whitewalls, display perfect feel and unfailing power. Arthur St. Antoine, Car and Driver, 15 Dec. 2022 And the Tiro, with an unfailing style and functionalities like moisture-absorbing and zippered ankles, is perfect for any sporty occasion. Maverick Li, Men's Health, 12 Jan. 2023 It’s this unfailing authenticity that has not only led to her building an empire, but earning the trust of curious and concerned readers aiming to better their own financial futures. Jasmine Browley, Essence, 14 Dec. 2022 Adapted by Bairéad — whose background is in television and documentaries — from Claire Keegan’s short story, Foster, this is a work of unfailing restraint, which makes its stealth emotional heft all the more remarkable. David Rooney, The Hollywood Reporter, 24 Oct. 2022 Multiple forms of climate leadership, leveraging each other, are needed to get the job done — as long as the work is guided by science, a commitment to equity and justice, and an unfailing moral compass. CNN, 20 Oct. 2022 So many books of short fiction are, understandably, hit or miss; Jones here is unfailing. Molly Mcardle, Men's Health, 3 Oct. 2022 See More

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'unfailing.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

Word History

First Known Use

14th century, in the meaning defined above

Time Traveler
The first known use of unfailing was in the 14th century

Dictionary Entries Near unfailing

Cite this Entry

“Unfailing.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/unfailing. Accessed 26 Mar. 2023.

Kids Definition


un·​fail·​ing ˌən-ˈfā-liŋ How to pronounce unfailing (audio)
: not likely to fail : constant, unflagging
unfailing support
: not likely to run out or be used up : everlasting, inexhaustible
an unfailing supply
: infallible sense 2
the unfailing mark of an amateur
unfailingly adverb

More from Merriam-Webster on unfailing

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