n. 25B6; adjective
his dying aunt : TERMINALLY ILL, at death's door, on one's deathbed, near death, fading fast, expiring, moribund, not long for this world, in extremis; informal on one's last legs, having one foot in the grave.
a dying art form : DECLINING, vanishing, fading, ebbing, waning; informal on the way out.
her dying words : FINAL, last; deathbed.
thriving, first.
25B6; noun he took her dying very hard : DEATH, demise, passing, loss of life, quietus; formal decease; archaic expiry.