Definition of unstableness in English:

unstableness

noun

  • See unstable

    • ‘I have refused him overnight/unsupervised visits due to his unstableness.’
    • ‘Her mother and father snub her off completely overlooking her serious unstableness.’
    • ‘Her mental unstableness is too hard for her to cope with.’
    • ‘I told him that due to his ignorance, his attitude and his unstableness, that if he wasn't careful, he'd wind up like me.’
    • ‘The highly accomplished actress gets some details right, but the overarching mental unstableness she exudes is so excessive as to make one wonder whether she is playing or being unhinged.’