Put off and fed up, having made mistake (8)
I believe the answer is:
deferred
'put off' is the definition.
(I've seen this before)
'fed up having made mistake' is the wordplay.
'fed up' becomes 'def' ('fed' going up in a down clue).
'having' is a charade indicator (letters next to each other).
'made mistake' becomes 'erred' (I've seen this before).
'def'+'erred'='DEFERRED'
'and' is the link.
(Other definitions for deferred that I've seen before include "Put back" , "Postponed" , "Put off to a later time" .)