Unconvincing South American setter drops in (7)
I believe the answer is:
suspect
This clue could be a double definition.
'unconvincing' is the first definition.
(both can mean suspicious)
'south american setter drops in' is the second definition.
Both the answer and definition are adjectives. Maybe you can see a link between them that I don't see?
Can you help me to learn more?
(Other definitions for suspect that I've seen before include "Questionable" , "Imagine to be true" , "Believe to be guilty, but without proof" , "Have misgivings about" , "Distrust, have doubts about" .)