early 15c., from Middle French instabilite "inconstancy," from Latin instabilitatem (nominative instabilitas) "unsteadiness," from instabilis "unsteady," from in- "not, opposite of" (see in- (1)) + stabilis (see stable (2)).
权威例句
1. Much of the instability stems from the economic effects of the war.
不稳定局面多半是由战争对经济的影响造成的。
2. political and economic instability
政治和经济的不稳定
3. Racism causes political instability and violence.