Search Result for "unpredictability": 
Wordnet 3.0

NOUN (3)

1. the quality of being guided by sudden unpredictable impulses;
[syn: capriciousness, unpredictability]

2. the trait of being unpredictably irresolute;
- Example: "the volatility of the market drove many investors away"
[syn: volatility, unpredictability]

3. lacking predictability; 



WordNet (r) 3.0 (2006):

unpredictability
    n 1: the quality of being guided by sudden unpredictable
         impulses [syn: capriciousness, unpredictability]
    2: the trait of being unpredictably irresolute; "the volatility
       of the market drove many investors away" [syn: volatility,
       unpredictability]
    3: lacking predictability [ant: predictability]