To make something unstable or less stable; to undermine the stability of a system, structure, or situation. Often used in political, economic, or scientific contexts.
Formed from 'de-' (reversal) + 'stabilize', which comes from Latin 'stabilis' meaning 'firm, steady' (from 'stare' meaning 'to stand'). The term emerged in the mid-20th century, initially in political and military contexts during the Cold War era.
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