Born after the death of the father, or taken from the dead body of the mother; as, a posthumous son or daughter.

Published after the death of the author; as, posthumous works; a posthumous edition.

Being or continuing after one's death; as, a posthumous reputation.

born after the death of a parent

a child born after the death of the father.

That which is done after the death of a person.

adj. published after the author died; taking place after death.