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Synonyms

unfailing

American  
[uhn-fey-ling] / ʌnˈfeɪ lɪŋ /

adjective

  1. not failing; not giving way; not falling short of expectation; completely dependable.

    an unfailing friend.

  2. inexhaustible; endless.

    unfailing resources; unfailing good humor.


unfailing British  
/ ʌnˈfeɪlɪŋ /

adjective

  1. not failing; unflagging

  2. continuous or unceasing

  3. sure; certain

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Other Word Forms

Etymology

Origin of unfailing

Middle English word dating back to 1350–1400; see origin at un- 1, failing

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Unfailing courage, skill in the difficult art of managing men, and a deep devotion to the security and welfare of your country.

From Time Magazine Archive

Unfailing punctuality is asked from every one in being in the chapel at the moment her watch begins, and no excuse is accepted from those who fail in this respect.

From Sister Teresa by Moore, George (George Augustus)

Thrice happy you! for fancy's shadowy power, Unfailing friend of sorrow's darkest hour, O'er your dim state a transient gleam can throw, Like twilight glimmering on a waste of snow!

From Gustavus Vasa and other poems by Walker, William Sidney

Unfailing Optimism "The unfailing note of optimism which rings through all your works is distinctly sounded here."

From An Iron Will by Marden, Orison Swett

Your own "Home-Rule Elixir" Unfailing for your babes you find?

From Punch, or the London Charivari, Volume 100, June 27, 1891 by Various