Новое слово попалось!
Подходящий псевдоним для оперной дивы или цирковой семьи. "Весь вечер на арене - Аделаида Морибунд!"

moribund
ˈmɒrɪbʌnd/
adjective
(of a person) at the point of death.
"on examination she was moribund and dehydrated"
синонимы: dying, expiring, on one's deathbed, near death, near the end, at death's door, breathing one's last, fading/sinking fast, not long for this world, failing rapidly, on one's last legs, in extremis; informalwith one foot in the grave
"the patient was moribund"
(of a thing) in terminal decline; lacking vitality or vigour.
"the moribund commercial property market"
синонимы: declining, in decline, on the decline, waning, dying, stagnating, stagnant, decaying, crumbling, atrophying, obsolescent, on its last legs; informalon the way out
"the country's moribund shipbuilding industry"