Synonyms of undying in English:

undying


See definition of undying

adjective

1‘his undying devotion to the club’

SYNONYMS
abiding, lasting, enduring, permanent, continuing, constant, perennial, infinite
unceasing, perpetual, ceaseless, incessant, unending, never-ending, unfading
immortal, eternal, deathless, never-dying
indestructible, imperishable, inextinguishable
undiminished, undestroyed
rare sempiternal
ANTONYMS

transient, ephemeral, mortal