UNFAILING Synonyms: 27 Similar and Opposite Words

unfailing

adjective

ˌən-ˈfā-liŋ

Definition of unfailing

as in unerring

not being or likely to be wrong an unfailing judge of personal character

Synonyms & Similar Words

Relevance

Antonyms & Near Antonyms

as in reliable

not likely to fail the writer's unfailing sense of humor is again evident in his newest book

Synonyms & Similar Words

Antonyms & Near Antonyms

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 unfailing Developed at the height of the Cold War, GPS was designed by the Pentagon to give US forces an unfailing sense of position anywhere on Earth. — Kapil Kajal, Interesting Engineering, 11 Sep. 2025 In a world where trust now comes at a premium, trust in your GenAI strategy starts with trusting the data that fuels it, and the most unfailing data in your business lives in your contracts. — Monish Darda, Forbes.com, 8 Sep. 2025 One unfailing test of a country’s civilization, Winston Churchill once stated, lies in the mood of the public toward the treatment of crime and criminals. — The Christian Science Monitor, Christian Science Monitor, 25 Apr. 2025 What is most important, always, is an unfailing loyalty to Trump. — Constance Grady, Vox, 25 Apr. 2025 See All Example Sentences for unfailing

Recent Examples of Synonyms for unfailing

Adjective

Dean has an unerring sense about how to let her voice glide to the cumulus layer and back again, without remotely ever going over the top.

— Chris Willman, Variety, 17 July 2026
While there is undeniable star power, and an unerring ability to get the job done, England will have opportunities to make a mark of their own.

— Stuart James, New York Times, 12 July 2026

Definition of unerring

Adjective

As governments and technology companies search for reliable, low-carbon power solutions, micro-modular reactors are emerging as one of several technologies being explored to support future electricity demand.

— Prabhat Ranjan Mishra, Interesting Engineering, 16 July 2026
Industrial and real estate investment plunged in the first half of the year, indicating that such longtime pillars of the Chinese economy are becoming less reliable in offsetting slow consumption.

— Stephanie Yang, CNN Money, 15 July 2026

Definition of reliable

Adjective

Despite Clarity’s choppy obstacle course, the tedious and frustrating tradition of counting votes and lining up bipartisan yeahs, Member by Member, is a tactic the crypto industry has time to employ and perfect.

— Cleve Mesidor, Forbes.com, 21 July 2026
The dinner theme is Paris, which is perfect for Joy, or at least should be.

— Rafaela Bassili, Vulture, 21 July 2026

Definition of perfect

Adjective

Young was flawless until the final hole, his tee shot finding a pot bunker.

— Doug Ferguson, Los Angeles Times, 19 July 2026
The Spaniards have taken the air out of the balls, played keep-away, erected a flawless defensive fortress, and hijacked tournament brackets from far more direct teams like France and England.

— Filip Bondy, New York Daily News, 19 July 2026