adjective

no longer alive.

a dead body

deceased,expired,departed,gone,no more,passed on,passed away,late,lost,lamented,perished,fallen,slain,slaughtered,killed,murdered,lifeless,not breathing,having breathed one’s last,defunct,extinct,inanimate,insentient,insensate,inert,(as) dead as a doornail,six feet under,pushing up daisies,under the sod,with God,asleep,at peace,demised,exanimate