un·​fail·​ing | \ ˌən-ˈfā-liŋ How to pronounce unfailing (audio) \

Definition of unfailing

: not failing or liable to fail:
a : constant, unflagging unfailing courtesy
b : everlasting, inexhaustible a subject of unfailing interest
c : infallible, sure an unfailing test

Other Words from unfailing

unfailingly \ ˌən-​ˈfā-​liŋ-​lē How to pronounce unfailing (audio) \ adverb

Synonyms & Antonyms for unfailing



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Examples of unfailing in a Sentence

She is known for her unfailing optimism. an unfailing judge of personal character
Recent Examples on the Web Through thick and thin, faculty have an unfailing allegiance to their students. Kim Cobb, Scientific American, 3 Nov. 2021 What Coward meant by this was the traditions of craftsmanship, professionalism and unfailing attention to audience appeal that are the mainstays of the commercial theater. Washington Post, 30 Oct. 2021 Spies watch, and record, and remember, all with unfailing attention. Jake Bittle, The New Republic, 12 Oct. 2021 The transitions between inner and outer worlds are handled with unfailing deftness. Alex Ross, The New Yorker, 11 Oct. 2021 This challenge comes with profound organizational change management that requires creative and unfailing transformation strategies. Lalit Ahuja, Forbes, 22 Sep. 2021 In one play, Patrick Mahomes reminded his Kansas City Chiefs of the reason for their unfailing belief. Mike Jones, USA TODAY, 13 Sep. 2021 Rather than hang his head, Mayo, an unfailing optimist with a background in advertising and a penchant for armchair philosophy, shifted his gaze above ground to pull off one of the most graceful pivots by a venue in the pandemic era. Joseph Hudak, Rolling Stone, 15 June 2021 Prince Philip in particular was kind and warm, with a sharp wit and unfailing good humor. Paulina Jayne Isaac, Glamour, 3 June 2021

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.

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First Known Use of unfailing

14th century, in the meaning defined above

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

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Last Updated

10 Nov 2021

Cite this Entry

“Unfailing.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/unfailing. Accessed 26 Nov. 2021.

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More Definitions for unfailing



English Language Learners Definition of unfailing

: never changing or becoming weaker even in difficult times
: always providing enough of what is needed


un·​fail·​ing | \ ˌən-ˈfā-liŋ How to pronounce unfailing (audio) \

Kids Definition of unfailing

: not failing or likely to fail : constant unfailing support

Other Words from unfailing

unfailingly adverb He is unfailingly punctual.

More from Merriam-Webster on unfailing

Nglish: Translation of unfailing for Spanish Speakers


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