Learn how to say Instability correctly in English with this tutorial pronunciation video.
Oxford dictionary definition of the word instability:
noun (plural instabilities)
the state of being unstable; lack of stability:
political and economic instability
tendency to unpredictable behaviour or erratic changes of mood:
she showed increasing signs of mental instability
late Middle English: from French instabilité, from Latin instabilitas, from instabilis, from in- ‘not’ + stabilis (see stable1)