early
fatal
on the way out
infant mortality
expiringly
knocking on heaven's door
no spring chicken
on one's deathbed
little
junior
senilicide
semperjuvenescent
years young
aging
ultrayoung
ageing
senescent
consenescence
youngish
immortal
bereave
die away
antemortem
deathbound
senilism
moribund
predeath
unyoung
immaturity
youthful
King of Terrors
in extremis
Jack Ketch
overyoung
exitus
parenticide
pre-dead
thanato-
have one foot in the grave
dyingly
morbid
ghoulish
rejuvenate
young-hearted
instadeath
exanimate
necrobiosis
unseasoned
age
make older