unfailing
Americanadjective
-
not failing; not giving way; not falling short of expectation; completely dependable.
an unfailing friend.
-
inexhaustible; endless.
unfailing resources; unfailing good humor.
adjective
-
not failing; unflagging
-
continuous or unceasing
-
sure; certain
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
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.