With set ideas, going off to do some bird-watching? (9)
I believe the answer is:
hidebound
'with set' is the definition.
Both the definition and answer are adjectives. Maybe they are linked in a way I don't understand?
I cannot understand how the remainder of the clue works.
Can you help me to learn more?
(Other definitions for hidebound that I've seen before include "Restricted by petty rules" , "Narrow-minded - ultra-conservative" , "Bigoted" , "Splash (with liquid)" , "Restricted by conventional ideas" .)