succumb
yield
knee-trembling
overwhelmable
exhaustedly
overexhaustion
up to here
up to one's eyeballs
horror-struck
thanatogenetic
necromania
overwhelmedness
weariful
have one foot in the grave
loss
expiration
exit
release
departure
thanatophobe
passing
going
wearying
deceased
suffocate
necrophobe
mortifiedly
stagger
overwhelming
flooded
ulla-lulla
dying
run out of gas
thanatophobia
paniculately
drained
on one's deathbed
shattered
knackered
Acherontic
mortal
predone
worn
not bear thinking about
fatalistically
shocked
overwhelm
desperate straits
moribund
dire straits