Usage Note
Inestable is invariable for gender (un gobierno inestable, una situación inestable) and applies to political, emotional, meteorological, and structural contexts. In weather forecasts tiempo inestable means unsettled or changeable weather. The antonym is estable, and the noun form is inestabilidad.
Examples
"La situación política sigue siendo inestable."
Natural Translation
The political situation remains unstable.

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