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The district has had a history of instable finances that led to a state takeover in the 1990s and the repayment of a near $29 million loan.—Sierra Lopez, Mercury News, 24 Dec. 2025 The weather is accompanying a cold front that is descending from Canada, plunging temperatures far below normal across much of the United States and creating an instable environment where thunderstorms thrive.—Anna Skinner, MSNBC Newsweek, 5 Sep. 2025 Douglass Morgan, the Raiders president and the first Black woman to hold the title for an N.F.L. team, also inherited an instable organization.—Emmanuel Morgan, New York Times, 8 Feb. 2023 Throughout the morning, Twitter users continue to share concerns on the cause of a season of instable flying.—Dallas News, 11 Jan. 2023 The instable weather and the delay in the fourth quarter brought back memories of 2019 when Washington and California played a night game that was delayed by lightning storms in the Seattle area.—Tim Booth, ajc, 5 Nov. 2022 Photo: agencja gazeta/Reuters Some commentators compared the murder to the killing of Jo Cox, a British liberal legislator who was shot and stabbed to death by a mentally instable man inspired by far-right politics.—Bojan Pancevski, WSJ, 14 Jan. 2019 With today's instable geopolitical times, a theatrical reboot offers fresh fodder for the show to put a mirror up to society.—Ben Panko, Smithsonian, 19 July 2017
Word History
Etymology
Middle English, from Middle French or Latin; Middle French, from Latin instabilis, from in- + stabilis stable