Definition of instability noun from the Oxford Advanced Learner's Dictionary

      

    instability

     noun
    noun
    BrE BrE//ˌɪnstəˈbɪləti//
     
    ; NAmE NAmE//ˌɪnstəˈbɪləti//
     
    [uncountable, countable, usually plural](pl. instabilities) Economy, Mental and emotional problems
     
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  1. 1the quality of a situation in which things are likely to change or fail suddenly political and economic instability See related entries: Economy
  2. 2a mental condition in which somebody’s behaviour is likely to change suddenly mental/emotional instability See related entries: Mental and emotional problems
  3. opposite stability see also unstable
    Word Familystable adjective (unstable)stability noun (instability)stabilize verb Word Origin late Middle English: from French instabilité, from Latin instabilitas, from instabilis, from in- ‘not’ + stabilis (from the base of stare ‘to stand’).Extra examples He showed increasing signs of mental instability. Instability may arise at times of change. Racism causes political instability and violence. The increased inflation will inject a degree of instability into the economy. The law was introduced to avoid instability during the transition. a long period of economic instability economic instability resulting from climate change the inherent instability of financial markets
See the Oxford Advanced American Dictionary entry: instability