1
as in immortal
having an existence or validity that does not change or diminish
his undying devotion to his terminally ill wife is truly inspiring
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Antonyms & Near Antonyms
2
as in eternal
lasting forever
a duet in which the singers swear undying love for one another
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Antonyms & Near Antonyms
Love words? Need even more definitions?
Merriam-Webster unabridged
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