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
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Working-class wives work primarily for the money rather than career satisfaction; this results in more marital tension, which can fuel marital instability that spirals into yet more economic insecurity. Joan C. Williams june 13, Literary Hub, 13 June 2025 Yet Putin has organized Russia’s economy around the war effort and imposed draconian restrictions on civil society since 2022 — measures that will be difficult to change without risking internal instability, Western officials and observers suggest. Joel Gehrke, The Washington Examiner, 13 June 2025 The net result will be to increase hunger and financial instability among households with children, older adults, people with disabilities, and veterans—while also sending tens of thousands of people into unemployment. Aliss Higham, MSNBC Newsweek, 11 June 2025 These include food insecurity, housing instability and links to depression, anxiety and even suicidal behaviors. Kathy Szeliga, Baltimore Sun, 11 June 2025 See All Example Sentences for instability

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

Browse Nearby Words

Cite this Entry

“Instability.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/instability. Accessed 18 Jun. 2025.

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
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