instability
noun
in·sta·bil·i·ty
ˌin(t)-stə-ˈbi-lə-tē 
: 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
Advertisement Strikes reinforce Chinese view of U.S. instability China already saw the U.S. under the Trump Administration as an unstable partner, particularly after Trump slammed the world with staggering tariff rates before abruptly reversing course.
—
Miranda Jeyaretnam, Time, 27 June 2025
Yet the aftershocks of 2008 continue, and today’s economic pressures—rising costs, stagnant wages, global instability—are forcing a reckoning.
—Benjamin Van Der Lande, Forbes.com, 25 June 2025
Any signs of instability or elite fragmentation during succession will be closely watched by allies and adversaries alike.
—Pegah Banihashemi, Chicago Tribune, 25 June 2025
The Trump administration on Tuesday urged the U.S. Supreme Court to authorize the deportation of several immigrants to South Sudan, a nation plagued by conflict and instability, despite the migrants having no personal or familial connections to the country.
—Dan Gooding
gabe Whisnant, MSNBC Newsweek, 24 June 2025
See All Example Sentences for instability
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Miranda Jeyaretnam, Time, 27 June 2025
Yet the aftershocks of 2008 continue, and today’s economic pressures—rising costs, stagnant wages, global instability—are forcing a reckoning.
—Benjamin Van Der Lande, Forbes.com, 25 June 2025
Any signs of instability or elite fragmentation during succession will be closely watched by allies and adversaries alike.
—Pegah Banihashemi, Chicago Tribune, 25 June 2025
The Trump administration on Tuesday urged the U.S. Supreme Court to authorize the deportation of several immigrants to South Sudan, a nation plagued by conflict and instability, despite the migrants having no personal or familial connections to the country.
—Dan Gooding
gabe Whisnant, MSNBC Newsweek, 24 June 2025
See All Example Sentences for instability
Cite this Entry
“Instability.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/instability. Accessed 30 Jun. 2025.
Copy CitationKids Definition
instability
noun
in·sta·bil·i·ty
ˌin(t)-stə-ˈbil-ət-ē
: the quality or state of being unstable
Medical Definition
instability
noun
in·sta·bil·i·ty
ˌin(t)-stə-ˈbil-ət-ē
plural instabilities
: the quality or state of being unstable
especially
: lack of emotional or mental stability
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