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

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

Nothing Phone Nothing Phone Prime Day Deals The Nothing Phone (4a) combines a striking transparent aesthetic with a vibrant 120Hz AMOLED display and reliable daily performance.

— Juhi Wadia, PC Magazine, 6 Oct. 2026
Tonight, the guy who has been most reliable, Chris Sale, is taking the mound for the Braves in this pivotal game.

— David Troy OutKick, FOXNews.com, 6 Oct. 2026

Definition of reliable

Adjective

The outdoor second-floor deck is perfect for taking a break between museums—there's a table with complimentary coffee, fresh fruit, water, and seltzer available all day.

— Condé Nast, Condé Nast Traveler, 4 Oct. 2026
Hotels, as well as airports, are perfect places to test this technology because their electricity usage follows quite predictable patterns.

— New Atlas, New Atlas, 4 Oct. 2026

Definition of perfect

Adjective

Small details are attended to with flawless execution—when the night is chilly, blankets appear at the dinner table; housekeeping and pool maintenance is timed so as not to interfere with your presence; transfers and shuttles are booked with ease.

— Condé Nast, Condé Nast Traveler, 6 Oct. 2026
Not every film was flawless, but few actors have ever had a stronger run of hits.

— Amy Nicholson, Los Angeles Times, 6 Oct. 2026