Definition of unpredictability in English:
 unpredictability
noun ʌnprɪdɪktəˈbɪlɪtiˌənprəˌdɪktəˈbɪlədi
mass nounInability to be predicted; changeability.
 the unpredictability of the British weather
 the constant element of unpredictability keeps the show fresh
 Example sentencesExamples
-  Even the script has the rough-cut unpredictability of real life.
 -  Beneath the surface of small-town serenity lies a dark domain where innocents dare not tread and unpredictability is the norm.
 -  Households are fragile and vulnerable, easily upset by the power and unpredictability of human emotions.
 -  The one element that has remained constant over the years is their unpredictability.
 -  The unpredictability of island life has made him a stickler for schedules.
 
  Definition of unpredictability in US English:
 unpredictability
nounˌənprəˌdiktəˈbilədēˌənprəˌdɪktəˈbɪlədi
Inability to be predicted; changeability.
 the unpredictability of the British weather
 the constant element of unpredictability keeps the show fresh
 Example sentencesExamples
-  The one element that has remained constant over the years is their unpredictability.
 -  Households are fragile and vulnerable, easily upset by the power and unpredictability of human emotions.
 -  Beneath the surface of small-town serenity lies a dark domain where innocents dare not tread and unpredictability is the norm.
 -  Even the script has the rough-cut unpredictability of real life.
 -  The unpredictability of island life has made him a stickler for schedules.