More strict or uncompromising (7)
I believe the answer is:
sterner
(Other definitions for sterner that I've seen before include "more inflexible anyway" , "Renters of more strict sort" , "More grimly serious" , "More severe" , "More demanding" .)
I believe the answer is:
sterner
(Other definitions for sterner that I've seen before include "more inflexible anyway" , "Renters of more strict sort" , "More grimly serious" , "More severe" , "More demanding" .)