unpredictability
1. [ noun ] the quality of being guided by sudden unpredictable impulses
Synonyms: capriciousness
Related terms: inconstancy
2. [ noun ] the trait of being unpredictably irresolute
Synonyms: volatility
Examples:

"the volatility of the market drove many investors away"

Related terms: irresoluteness
3. [ noun ] lacking predictability
Related terms: predictability uncertainty
Similar spelling:   unpredictably
  unpredictable
  unprofitability
  unapproachability