adjective \(ˌ)in-ˈstā-bəl\

Definition of INSTABLE

:  unstable

Origin of INSTABLE

Middle English, from Middle French or Latin; Middle French, from Latin instabilis, from in- + stabilis stable
First Known Use: 15th century


Next Word in the Dictionary: instal
Previous Word in the Dictionary: instability
All Words Near: instable

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