instability
//ˌɪnstəˈbɪləti//
Noun
instabilitySingular
instabilitiesPlural
1
The quality or state of being unstable; lack of stability or firmness.
The instability of the old bridge made it dangerous to cross.
2
A tendency to unpredictable behavior or erratic changes, especially in emotions or mental state.
Her emotional instability made it difficult to maintain close relationships.
3
The condition of a system, structure, or situation that is likely to change, fail, or collapse.
The instability of the old bridge made it unsafe for heavy vehicles.