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
If leadership lacks consistency, teams will follow that instability.
—
Carlos Hoyos, Forbes.com, 14 Apr. 2025
Rising political instability like ongoing tensions in the Middle East and Pacific Rim also typically fuel defense stocks.
—Lisa Kailai Han, CNBC, 12 Apr. 2025
Apparently Nat took her own life a few days ago after weeks of extreme paranoia and instability.
—Ben Rosenstock, Vulture, 10 Apr. 2025
The tariff rollout over the past week has caused immense market instability, wiping out trillions of dollars and causing Wall Street to post its steepest losses since 2020.
—Raja Krishnamoorthi, MSNBC Newsweek, 9 Apr. 2025
See All Example Sentences for instability
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Carlos Hoyos, Forbes.com, 14 Apr. 2025
Rising political instability like ongoing tensions in the Middle East and Pacific Rim also typically fuel defense stocks.
—Lisa Kailai Han, CNBC, 12 Apr. 2025
Apparently Nat took her own life a few days ago after weeks of extreme paranoia and instability.
—Ben Rosenstock, Vulture, 10 Apr. 2025
The tariff rollout over the past week has caused immense market instability, wiping out trillions of dollars and causing Wall Street to post its steepest losses since 2020.
—Raja Krishnamoorthi, MSNBC Newsweek, 9 Apr. 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 22 Apr. 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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