Strict in manner (7)
I believe the answer is:
austere
(Other definitions for austere that I've seen before include "Grim - USA tree (anag)" , "Plain, cold" , "Severe; lacking luxuries" , "'Spartan, simple (7)'" , "Severe or strict in attitude" .)
I believe the answer is:
austere
(Other definitions for austere that I've seen before include "Grim - USA tree (anag)" , "Plain, cold" , "Severe; lacking luxuries" , "'Spartan, simple (7)'" , "Severe or strict in attitude" .)