Like a C in calculus? (4)
I believe the answer is:
hard
(Other definitions for hard that I've seen before include "Complicated" , "Novel featuring Mr Gradgrind" , "Resentment" , "Intensely" , "Firm; demanding; stern" .)
I believe the answer is:
hard
(Other definitions for hard that I've seen before include "Complicated" , "Novel featuring Mr Gradgrind" , "Resentment" , "Intensely" , "Firm; demanding; stern" .)