instability

noun

in·​sta·​bil·​i·​ty ˌin(t)-stə-ˈbi-lə-tē How to pronounce instability (audio)
: the quality or state of being unstable
especially : lack of emotional or mental stability

Examples of instability in a Sentence

Investors are worried about the current instability of the stock market. The patient has a history of emotional instability.
Recent Examples on the Web Historically, instability on the Korean Peninsula has tended to spill over into China, and an influx of refugees could destabilize China’s northeast and potentially much more. Stephen Kotkin, Foreign Affairs, 18 Apr. 2024 Many of his most famous collections recalled the 19th century as a period of both luxury and instability. TIME, 17 Apr. 2024 Cynicism pervades as many deal with oversize student loans, grapple with financial instability, and face an uphill battle to afford incredibly pricey life milestones like buying a house, having kids, or retiring. Bychloe Berger, Fortune, 12 Apr. 2024 Many are spurred by geopolitical instability, including economic crisis and crime in Venezuela, violence in Congo, and humanitarian crises across other parts of Africa and the Middle East. Jeanna Smialek, New York Times, 12 Apr. 2024 The battle is rooted in a centuries-old thirst for power that has defined the country’s troubled history of political instability. Jacqueline Charles, Miami Herald, 2 Apr. 2024 On Tuesday, however, Bortnikov accused the CIA and Britain’s MI6 intelligence agency of interfering in Afghanistan with the goal of creating instability on the southern border of CIS countries, including Tajikistan. Robyn Dixon, Washington Post, 26 Mar. 2024 The normalization efforts with Israel spearheaded by the United Arab Emirates have papered over what countries like Jordan say is inevitable instability as long as that issue is unaddressed. Greg Myre, NPR, 6 Apr. 2024 And at least twice since the coup, errant bombs have landed inside China, which has become ever more frustrated with the instability and disruption in Myanmar. Timothy McLaughlin, The Atlantic, 4 Apr. 2024

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'instability.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History

First Known Use

15th century, in the meaning defined above

Time Traveler
The first known use of instability was in the 15th century

Dictionary Entries Near instability

Cite this Entry

“Instability.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/instability. Accessed 26 Apr. 2024.

Kids Definition

instability

noun
in·​sta·​bil·​i·​ty ˌin(t)-stə-ˈbil-ət-ē How to pronounce instability (audio)
: the quality or state of being unstable

Medical Definition

instability

noun
in·​sta·​bil·​i·​ty ˌin(t)-stə-ˈbil-ət-ē How to pronounce instability (audio)
plural instabilities
: the quality or state of being unstable
especially : lack of emotional or mental stability

More from Merriam-Webster on instability

Last Updated: - Updated example sentences
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!