Fierce noon, getting in the shade (7)
I believe the answer is:
violent
'fierce' is the definition.
(I know that fierce can be written as violent)
'noon getting in the shade' is the wordplay.
'noon getting' becomes 'n' (I am not sure about this - if you are sure you should give a lot more credence to this answer).
'in the' indicates putting letters inside.
'shade' becomes 'violet' (I've seen this before).
'n' placed within 'violet' is 'VIOLENT'.
Can you help me to learn more?
(Other definitions for violent that I've seen before include "Hot-headed" , "Immoderate" , "Tending to use intimidatory force" , "Sharp" , "Wild - not evil (anag)" .)