unstable
🇺🇸
/ʌnˈsteɪbl/
🇬🇧
/ʌnˈsteɪbl/
can change quickly and unpredictably
The weather is very unstable today.
오늘 날씨가 매우 불안정합니다.
someone whose mood or behavior changes often and unexpectedly
His moods are very unstable, changing from happy to sad very fast.
그의 기분은 매우 불안정하여, 기쁨에서 슬픔으로 매우 빠르게 변합니다.
something that might move or fall easily
The table is quite unstable; be careful putting anything heavy on it.
이 테이블은 상당히 불안정합니다; 무거운 것을 올릴 때 조심하세요.
not remaining constant in its chemical composition
This compound is unstable and can change when exposed to light.
이 화합물은 불안정하며 빛에 노출되면 변할 수 있습니다.