Definitions English

  • Tending strongly to change: unstable weather.
  • Not constant; fluctuating: unstable vital signs.
  • Fickle.
  • Lacking control of one's emotions; marked by unpredictable behavior.
  • Not firmly placed; unsteady: an unstable ladder.
  • Chemistry Decomposing readily.
  • Chemistry Highly or violently reactive.
  • Physics Decaying with relatively short lifetime. Used of subatomic particles.
  • Physics Radioactive.