adjective
Not alive; dead or inanimate.
Lacking vivacity and liveliness; dull or sterile.
Lacking energy and feeling; passionless; mechanical.
Lacking a fulfilling life; meaningless.
(often with "to") Lacking consciousness; unresponsive, indifferent or oblivious.
noun
One who is unalive.
verb
(transitive, proscribed) To make unalive; to kill, especially oneself; to commit suicide.
(intransitive, proscribed) To die.