unstable به انگلیسی
From Longman Dictionary
un‧sta‧ble /ʌnˈsteɪbəl/ ●○○ AWL adjective
likely to change suddenly and become worse
احتمالاً به طور ناگهانی تغییر می کند و بدتر می شود
something that is unstable is likely to move or fall
چیزی که ناپایدار است به احتمال زیاد حرکت می کند یا سقوط می کند
someone who is unstable changes very suddenly so that you do not know how they will react or behave
فردی که ناپایدار است خیلی ناگهانی تغییر می کند به طوری که نمی دانید چگونه واکنش نشان می دهد یا رفتار خواهد کرد.
an unstable chemical is likely to separate into simpler substances
یک شیمیایی ناپایدار احتمال دارد به مواد ساده‌تر تفکیک شود
Example
This moves their orbital electrons from the ground state to a higher energy level that is unstable
Was it safe to trust someone who was so emotionally unstable
He is emotionally unstable, and his aggressive attitude often culminates in violence
an unstable economy
The woman, who was described as mentally unstable, refused to talk about her reasons for the shooting
