Defunct (7)
'defunct' is the definition.
(I've seen this before)
This is the entire clue.
(Other definitions for extinct that I've seen before include "Wiped out" , "Put out" , "No longer in existence" , "Defunct" , "Like a dodo" .)
'defunct' is the definition.
(similar in meaning)
This is all the clue.
(Other definitions for dead that I've seen before include "Late; exact" , "No longer alive" , "Stiff - bereft of life" , "Deceased; numb" , "cold" .)