Give out what's concealed when something is sadly lifted (6)
I believe the answer is:
assign
'give out' is the definition.
(I've seen this in another clue)
'concealed when something is sadly lifted' is the wordplay.
'concealed' indicates the answer is hidden within the clue.
'lifted' says the letters should be written backwards (going up in down clue).
'ngissa' can be found hidden inside 'when something is sadly'.
'ngissa' backwards is 'ASSIGN'.
'what's' is the link.
(Other definitions for assign that I've seen before include "Delegate" , "Appoint or designate to perform task" , "Give or entrust to" , "Detail" , "Attribute" .)