inanimateness (n)
lifelessness (n)

Definition: not having life

death (n)
last (n)

Definition: the time at which life ends
Example: she stayed until his death. a struggle to the last.

exit (v)
get out (v)
go out (v)
leave (v)

Definition: move out of or depart from
Example: leave the room. the fugitive has left the country.

death (n)

Definition: the permanent end of all life functions in an organism or part of an organism
Example: the animal died a painful death.

end (n)
destruction (n)
death (n)

Definition: a final state
Example: he came to a bad end. the so-called glorious experiment came to an inglorious end.

buy the farm (v)
cash in one's chips (v)
choke (v)
conk (v)
croak (v)
decease (v)
die (v)
drop dead (v)
exit (v)
expire (v)
give-up the ghost (v)
go (v)
kick the bucket (v)
pass (v)
pass away (v)
perish (v)
pop off (v)
snuff it (v)

Definition: pass from physical life and lose all bodily attributes and functions necessary to sustain life
Example: She died from cancer. The children perished in the fire. The patient went peacefully. The old guy kicked the bucket at the age of 102.

death (n)
decease (n)
expiry (n)

Definition: the event of dying or departure from life
Example: her death came as a terrible shock. upon your decease the capital will pass to your grandchildren.

death (n)

Definition: the absence of life or state of being dead
Example: he seemed more content in death than he had ever been in life.