Plain and simple (7)
I believe the answer is:
austere
(Other definitions for austere that I've seen before include "Lacking comforts; strict" , "Severe in manner" , "Abstemious and grave" , "Serious" , "Grim - USA tree (anag)" .)
I believe the answer is:
austere
(Other definitions for austere that I've seen before include "Lacking comforts; strict" , "Severe in manner" , "Abstemious and grave" , "Serious" , "Grim - USA tree (anag)" .)