instability
noun [ U ] uk/ˌɪn.stəˈbɪl.ə.ti/ us/ˌɪn.stəˈbɪl.ə.t̬i/
不稳定，不稳固
uncertainty caused by the possibility of a sudden change in the present situation
political/economic instability 政治上／经济上的不稳定
The instability of the euro continues. 欧元持续不稳定。
The building's instability makes it extremely dangerous. 该建筑不稳固，非常危险。