Oppose working during cold weather feature (8)
I believe the answer is:
confront
'oppose' is the definition.
(I've seen this before)
'working during cold weather feature' is the wordplay.
'working' becomes 'on'.
'during' indicates putting letters inside.
'cold' becomes 'c' (eg on taps).
'weather feature' becomes 'front' (I've seen this in other clues).
'c'+'front'='cfront'
'on' inserted into 'cfront' is 'CONFRONT'.
(Other definitions for confront that I've seen before include "Challenge" , "Face in opposition" , "Meet face to face with" , "Face up to (a problem)" , "Oppose head-on" .)