undying
adjectiveUK /ʌnˈdaɪ.ɪŋ/
US /ʌnˈdaɪ.ɪŋ/
Something undying never ends or never stops.
She has an undying love for her little dog.
OTHER MEANINGS
2. Never fading or losing strength, like a feeling that stays strong.
His undying loyalty to his friends made everyone trust him.
3. Literary use meaning not able to die; living forever.
The story tells of an undying dragon that guards the mountain.
4. Continuing without pause or rest, especially of hope or effort.
Their undying hope kept them going through the long winter.