moribund
adjective
[ ˈmɒrɪbʌnd ]
• (of a person) at the point of death.
• "on examination she was moribund and dehydrated"
Similar:
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,
with one foot in the grave,
Origin:
early 18th century: from Latin moribundus, from mori ‘to die’.