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 And her unfailing ability to give the perfect little sardonic wink and nod extends beyond her social media content and even beyond her impeccable performances in projects like Netflix's Too Much. — Meg Walters, InStyle, 4 Jan. 2026 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 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

The pass the Netherlands forward wrapped into Alexander Isak’s feet was perfect.

— Stuart James, New York Times, 8 Sep. 2026
The Hoosiers have won 17 straight games, the longest active winning streak in the Football Bowl Subdivision, and are a perfect 16-0 at home under Cignetti.

— Arkansas Online, Arkansas Online, 8 Sep. 2026

Definition of perfect

Adjective

The operators who succeed in the years ahead will be those who understand that being a good actor is not about being flawless.

— Jeff Cook, New York Daily News, 15 Sep. 2026
Walker is one of many performers who has to blend specialty skills with traditional acting to form one flawless company.

— Jenelle Riley, Los Angeles Times, 14 Sep. 2026