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Showing results for unfailing. Search instead for unfiling.
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.

See Examples For:

Known for an unfailing ear for innovative music and an innate ability to navigate the shifting currents of popular music, Davis ruled Columbia, Arista and J Records.

From Los Angeles Times Jun. 22, 2026

Year after year, St Monica's home for unmarried mothers gave itself a glowing report, praising the "unfailing devotion" provided to pregnant girls, women and their babies.

From BBC Jun. 14, 2026

“The Ten Year Affair” handles these twists with unfailing intelligence, capturing the sincere but confusingly improvised mores of marriage today.

From The Wall Street Journal Oct. 31, 2025

A major contributor to the 7M cult’s perceived creepiness is the dancers' unfailing polish and flat if gleaming expressiveness.

From Salon Jun. 6, 2024

But there was an invisible ingredient that made the cure unfailing.

From "The Witch of Blackbird Pond" by Elizabeth George Speare

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