Unscrupulous male this writer's spoken about (7)
I believe the answer is:
immoral
'unscrupulous' is the definition.
(I've seen this before)
'male this writer's spoken about' is the wordplay.
'male' becomes 'm' (common abbreviation).
'this writer's' becomes 'I'm' (referring to the person writing the clues).
'spoken' becomes 'oral' (similar in meaning).
'about' indicates putting letters inside.
'im'+'oral'='imoral'
'm' going inside 'imoral' is 'IMMORAL'.
(Other definitions for immoral that I've seen before include "Without values" , "Dissolute or unprincipled" , "Sexually dissolute" , "Not conforming to accepted rules of conduct, particularly in sexual matters" , "involved in depravity?" .)