Search Result for "unfriendliness": 
Wordnet 3.0

NOUN (2)

1. dislike experienced as an absence of friendliness;

2. an unfriendly disposition; 



The Collaborative International Dictionary of English v.0.48:

Unfriendly \Un*friend"ly\, a.
   1. Not friendly; not kind or benevolent; hostile; as, an
      unfriendly neighbor.
      [1913 Webster]

   2. Not favorable; not adapted to promote or support any
      object; as, weather unfriendly to health.
      [1913 Webster] -- Un*friend"li*ness, n.
      [1913 Webster]


WordNet (r) 3.0 (2006):

unfriendliness
    n 1: dislike experienced as an absence of friendliness [ant:
         friendliness]
    2: an unfriendly disposition [ant: friendliness]