Waterproof shed? Very noble (9)
I believe the answer is:
imperious
'waterproof shed? very noble' is the definition.
Both the answer and definition are adjectives. Maybe there's a link between them I don't understand?
This is all the clue.
Can you help me to learn more?
(Other definitions for imperious that I've seen before include "Arrogant, domineering" , "Bossy" , "high-handed" , "Haughty - domineering" .)