undying

adjective

un·​dy·​ing ˌən-ˈdī-iŋ 

: not dying : immortal, perpetual

undying gratitude/love

Synonyms of undying

• immortal
• enduring
• ongoing
• eternal
• continuing
• perpetual
• lasting

Examples of undying in a Sentence

He swore his undying devotion to her.

his undying devotion to his terminally ill wife is truly inspiring

Recent Examples on the Web

The adaptation of Georgy Demidov’s eponymous novel, set in the Soviet Union in 1937 during Stalin’s Great Purge, tells the story of a young local prosecutor and dedicated communist who starts to question his undying faith in the regime. — Georg Szalai, HollywoodReporter, 18 June 2026

Trae Young won Madison Square Garden’s undying enmity in the 2021 playoffs for the Atlanta Hawks, punctuating game-breaking shots by shushing the crowd or bowing to the fans and waving goodbye. — Leah Asmelash, CNN Money, 9 June 2026

In a way that no championship trophy ever could, Kirby Smart has an opportunity to take action that would bring him undying respect and adulation. — Ken Sugiura, AJC.com, 28 May 2026

And her mother’s sacrifice is a way to show a mother’s undying love for her child. — Rosy Cordero, Deadline, 27 May 2026

Word History

First Known Use

14th century, in the meaning defined above

Rhymes for undying

• buying
• crying
• drying
• dyeing
• dying
• flying
• frying
• lying
• plying
• prying
• shying
• sighing

Kids Definition

undying

adjective

un·​dy·​ing ˌən-ˈdī-iŋ 

: not dying : immortal, perpetual

undying gratitude