Meaning of unstable
Pronunciation: (un-stā'bul), [key]
- not stable; not firm or firmly fixed; unsteady.
- liable to fall or sway.
- unsteadfast; inconstant; wavering: unstable convictions.
- marked by emotional instability: an unstable person.
- irregular in movement: an unstable heartbeat.
- noting compounds that readily decompose or change into other compounds.
- unstable (Thesaurus)