Significant progress (7)
I believe the answer is:
inroads
(Other definitions for inroads that I've seen before include "Major acts of encroachment" , "Making them is reductive" , "Sad iron (anag.)" , "advances" , "Progress" .)
I believe the answer is:
inroads
(Other definitions for inroads that I've seen before include "Major acts of encroachment" , "Making them is reductive" , "Sad iron (anag.)" , "advances" , "Progress" .)