앞일이나 결과를 미리 알거나 짐작할 수 없는 성질이나 상태.
The quality of being unable to be known or declared in advance; the state of being volatile or uncertain.
예문:
"The inherent unpredictability of the stock market makes long-term investing a challenge for many."
"Fans love the unpredictability of the tournament, where underdogs often defeat the reigning champions."
"Scientific models often struggle to account for the sheer unpredictability of human behavior in crisis situations."