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
And far too often, countries are plunged into intractable conflict that leads to regional instability with global implications.
—
Jason Carter, Time, 4 Sep. 2025
Electric Dusk arrived as Motown was reincorporated into Capitol Music Group, creating instability that somewhat stunted the record’s potential.
—Kyle Denis, Billboard, 4 Sep. 2025
How well people living with the instability of addiction, the irregularities of low-income work or poor access to transportation or internet navigate new requirements will take time to play out.
—Chris Kenning, USA Today, 4 Sep. 2025
Some immigrants fear returning to their native countries due to violence and instability, while others face the risk of deportation and family separation.
—Rick Barrett, jsonline.com, 3 Sep. 2025
See All Example Sentences for instability
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Jason Carter, Time, 4 Sep. 2025
Electric Dusk arrived as Motown was reincorporated into Capitol Music Group, creating instability that somewhat stunted the record’s potential.
—Kyle Denis, Billboard, 4 Sep. 2025
How well people living with the instability of addiction, the irregularities of low-income work or poor access to transportation or internet navigate new requirements will take time to play out.
—Chris Kenning, USA Today, 4 Sep. 2025
Some immigrants fear returning to their native countries due to violence and instability, while others face the risk of deportation and family separation.
—Rick Barrett, jsonline.com, 3 Sep. 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 9 Sep. 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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