uncertainty
🇺🇸
/ʌnˈsɜːrtnti/
🇬🇧
/ʌnˈsɜːtnti/
not being sure about something
His uncertainty about the future made him anxious.
미래에 대한 불확실성이 그를 불안하게 만들었다.
something that cannot be known for sure
The uncertainty of the weather made planning difficult.
날씨의 불확실성이 계획을 어렵게 만들었다.