Life after death?
'life' is the definition.
(thesaurus)
I don't understand the rest of the clue.
Can you help me to learn more?
(Other definitions for obituary that I've seen before include "Brief published biography of recently deceased person" , "Announcement of death with short biography" , "Brief newspaper account of life of someone recently dead" , "Death notice with biographical account" , "Brief newspaper account of deceased person's life" .)
'life after death?' is the definition.
(I've seen this in another clue)
This is all the clue.
(Other definitions for obit that I've seen before include "19d to remember" , "Notice of one's passing" , "Notice, of late" , "Remarks on passing" , "Short report of perishing" .)