undying

American

[uhn-dahy-ing] / ʌnˈdaɪ ɪŋ /

adjective

deathless; unending.

Synonyms:

enduring, perpetual, immortal, unceasing

undying British

/ ʌnˈdaɪɪŋ /

adjective

unending; eternal

"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

undyingly

adverb

Etymology

Origin of undying

Middle English word dating back to 1250–1300; see origin at un- ¹, dying

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.

The companies in that ETF have benefited from undying chip demand from the big internet and software companies that are building data centers.

From Barron's • Apr. 30, 2026

Every character seems to be poised between undying affection and eternal enmity.

From The Wall Street Journal • Feb. 5, 2026

Isabelle Dale swore her "undying love" to prisoners Shahid Sharif and Connor Money while working at HMP Coldingley in Surrey, said a judge.

From BBC • Jan. 20, 2026

“But they do have something that the women might not have yet, which is this undying loyalty and at least commitment to each other.”

From Salon • May 9, 2025

But he did express his undying love for her.

From Nazi Saboteurs by Samantha Seiple

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023