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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 her reply to woman’s voiceIn supplication instant. 

From A Reading of Life, Other Poems by Meredith, George

"You must have heard of Peabody's Unfailing Panacea."

From Risen from the Ranks Harry Walton's Success by Alger, Horatio

Unfailing vestals of the sky, As smiling thus ye weed from dread The soul ye court to muse on high.

From The Mirror of Literature, Amusement, and Instruction Volume 12, No. 347, December 20, 1828 by Various

Ah! god unknown behind the Sacraments      Unfailing of the earthly expiation, Lift up this amethyst-encumbered Vine, Crush from her pain some ransom-cup of Wine.

From The Hours of Fiammetta A Sonnet Sequence by Taylor, Rachel Annand

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