Wordnet 3.0
NOUN (2)
1. 
 the quality (as of scenery) being grim and gloomy and forbidding; 
- Example: "the sternness of his surroundings made him uncomfortable"2. 
 uncompromising resolution; 
[syn: sternness, strictness]
The Collaborative International Dictionary of English v.0.48:
Sternness \Stern"ness\, n.
   The quality or state of being stern.
   [1913 Webster]
WordNet (r) 3.0 (2006):
sternness
    n 1: the quality (as of scenery) being grim and gloomy and
         forbidding; "the sternness of his surroundings made him
         uncomfortable"
    2: uncompromising resolution [syn: sternness, strictness]