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

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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

My admiration extends to the unerring precision of their filmmaking.

— Justin Chang, NPR, 2 Oct. 2026
Voiced by Tom Kenny, SpongeBob’s unerring positivity and childlike glee immediately captured our hearts and minds, so much so that the show has continued for more than 25 years.

— Declan Gallagher, Entertainment Weekly, 10 Sep. 2026

Definition of unerring

Adjective

However, reliable control and readout remain essential requirements for practical applications.

— Neetika Walter, Interesting Engineering, 28 Oct. 2026
While no real fans will turn off their NFL games because of some broadcast booth drama, the entire situation is a rare speed bump for what is otherwise the most reliable bet in all of TV.

— Alex Weprin, HollywoodReporter, 27 Oct. 2026

Definition of reliable

Adjective

Gaskins put together a nearly flawless shooting performance in the second half, scoring 14 of his 20 points in the final 20 minutes on a perfect 5 of 5 clip from the field (including 4 of 4 from three-point range).

— Jordan McPherson, Miami Herald, 24 Oct. 2026
Katsuragawa shot a flawless 8-under 63 in the third round at Woo Jeong Hills Country Club, including four birdies in his first five holes, to match Jinam Kang's record in 2006.

— ABC News, ABC News, 24 Oct. 2026