unfailing

[uhn-fey-ling]

adjective

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

   an unfailing friend.

2. inexhaustible; endless.

   unfailing resources; unfailing good humor.

unfailing

/ ʌnˈfeɪlɪŋ /

adjective

1. not failing; unflagging

2. continuous or unceasing

3. sure; certain

Other Word Forms

• unfailingly adverb
• unfailingness noun

Word History and Origins

Origin of unfailing¹

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

Example Sentences

It was clear he had a brilliant, creative mind, a kind spirit, and an unfailing belief in himself and his projects.

From Los Angeles Times

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

From Salon

"Our gratitude is unfailing, and our admiration eternal," he ended, to a round of applause.

From BBC

Honestly, she probably should have leaned more heavily on the “making this film was so hard, everything felt so impossible” narrative instead of stressing, with unfailing generosity, how satisfying the experience was.

From Los Angeles Times

It’s a grim way to kick off a presidential campaign, particularly for a man known for his unfailing optimism and belief that American achievements are limitless.

From Seattle Times

Related Words

• bottomless 
• boundless 
• eternal 
• inexhaustible 
• steadfast 
• unflagging