instability

/IH0 N S T AH0 B IH1 L IH0 T IY0/
noun
  1. 1

    The quality of being unstable.

  2. 2

    A state that is not in equilibrium, or in which a small change has a large irreversible effect.

Synonyms

Source: https://en.wiktionary.org/wiki/instability