Draw off tax and sue husband for corruption (7)
I believe the answer is:
exhaust
'draw off' is the definition.
(thesaurus)
'tax and sue husband for corruption' is the wordplay.
'and' means one lot of letters go next to another.
'husband' becomes 'h'.
'for corruption' indicates an anagram (I've seen this in other clues).
'sue'+'h'='sueh'
'tax' put after 'sueh' is 'suehtax'.
'suehtax' is an anagram of 'EXHAUST'.
(Other definitions for exhaust that I've seen before include "Wear, tire out" , "lower part of estate?" , "Completely tire out" , "get everything out of" , "Waste gas from engine" .)