📖 WordNook

unstable

adjective
  1. subject to change
    uncertain
  2. affording no ease or reassurance
    precarious
  3. highly or violently reactive
    “sensitive and highly unstable compounds”
  4. disposed to psychological variability
    “Their rather unstable religious convictions were alarming.”
  5. suffering from severe mental illness
    unsoundmentally ill
  6. lacking stability or fixity or firmness
    “unstable political conditions”