Nouns

(n)death, dying, demisethe time when something ends“it was the death of all his plans”, “a dying of old hopes”

Adjectives

(a)dyingin or associated with the process of passing from life or ceasing to be“a dying man”, “his dying wish”, “a dying fire”, “a dying civilization”
(s)anxious, dyingeagerly desirous“anxious to see the new show at the museum”, “dying to hear who won”