Grading factor, in a phrase (6)
I believe the answer is:
effort
(Other definitions for effort that I've seen before include "Strenuous exertion" , "Endeavour, elbow grease" , "Try - labour - pains" , "Try - exertion" , "force?" .)
I believe the answer is:
effort
(Other definitions for effort that I've seen before include "Strenuous exertion" , "Endeavour, elbow grease" , "Try - labour - pains" , "Try - exertion" , "force?" .)