Search Result for "betrayal": 
Wordnet 3.0

NOUN (2)

1. an act of deliberate betrayal;
[syn: treachery, betrayal, treason, perfidy]

2. the quality of aiding an enemy; 



The Collaborative International Dictionary of English v.0.48:

Betrayal \Be*tray"al\n.
   The act or the result of betraying.
   [1913 Webster]


WordNet (r) 3.0 (2006):

betrayal
    n 1: an act of deliberate betrayal [syn: treachery,
         betrayal, treason, perfidy]
    2: the quality of aiding an enemy