unfailing
Americanadjective
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not failing; not giving way; not falling short of expectation; completely dependable.
an unfailing friend.
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inexhaustible; endless.
unfailing resources; unfailing good humor.
adjective
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not failing; unflagging
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continuous or unceasing
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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.
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
“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
Jughead was a favourite because of his unfailing devotion to food.
From BBC ● Sep. 23, 2023
Refuge unfailing in which conflict tempered silenced reconciled.
From "The Sound and the Fury" by William Faulkner
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.
