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 His unfailing commitment to civilian authority gave time for government institutions to sink roots, and established norms that gelled into the professional ethos of our military today. — Kori Schake, The Atlantic, 22 Mar. 2026 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 Their reach was owed not just to the nine-member unit’s technical excellence and versatility but also their endless supply of positivity, of psychedelic Black power characterized by its leader’s unfailing belief in a beautiful tomorrow. — Craig Jenkins, Vulture, 9 June 2026 See All Example Sentences for unfailing

Recent Examples of Synonyms for unfailing

Adjective

The presence of another Golden Boot contender, the unerring Erling Haaland, means Norway is favored to progress against the Ivory Coast, although this is its first knockout match in 28 years.

— David Hickey, NBC news, 30 June 2026
Ditto Hugh Jackman’s unerring performance — perhaps his finest dramatic work yet — as a savage, unfeeling thug and unrepentant murderer and thief.

— Randy Myers, Mercury News, 18 June 2026

Definition of unerring

Adjective

In comparison, the Sparks, without an offensive rebound until the end of the third quarter, were forced to make perfect shots, though that was far from the team’s grasp.

— Liana Handler, Los Angeles Times, 7 July 2026
While no missile defense system offers perfect protection, modern layered architectures have significantly improved the ability to detect, track, and intercept increasingly sophisticated threats.

— Kaif Shaikh, Interesting Engineering, 6 July 2026

Definition of perfect

Adjective

Because autonomous agents execute end-to-end business logic, deployment requires a flawless blend of operational domain expertise (business) and systemic oversight (IT).

— Barney Krishnan, Forbes.com, 1 July 2026
The fluffy brush made with vegan bristles is angled for flawless foundation application.

— Tessa Petak, InStyle, 27 June 2026