changeability
US /ˌtʃeɪndʒəˈbɪləti/
UK /ˌtʃeɪndʒəˈbɪləti/

1.
多變性, 可變性, 不穩定性
the quality of being subject to change or alteration
:
•
The changeability of the weather made planning difficult.
天氣的多變性使計劃變得困難。
•
Her mood's changeability was hard to predict.
她情緒的多變性很難預測。