Wild date after an embargo ended (9)
I believe the answer is:
abandoned
'wild' is the definition.
(I've seen this before)
'date after an embargo ended' is the wordplay.
'date' becomes 'd' (common abbreviation eg in DOB, date of birth).
'after' means one lot of letters go next to another.
'an' becomes 'a'.
'embargo' becomes 'ban' (I've seen this before).
'ended' becomes 'done' (I've seen this in another clue).
'a'+'ban'+'done'='abandone'
'd' after 'abandone' is 'ABANDONED'.
(Other definitions for abandoned that I've seen before include "Derelict, deserted" , "Quit" , "Given up?" , "Left - dissolute" , "Unrestrained" .)