Subject to change, variable
English: fluid, unstable
unstableEnglish
unstable, fluid, mentally ill, precarious, unsound
Adjective
Affording no ease or reassurance
English: precarious, unstable
Suffering from severe mental illness
English: mentally ill, unsound, unstable
3 more adjective senses
Lacking stability or fixity or firmness
English: unstable
Highly or violently reactive
English: unstable
Disposed to psychological variability
English: unstable