instability

noun in·sta·bil·i·ty \ ˌin(t)-stə-ˈbi-lə-tē \
Updated on: 19 May 2018

Definition of instability

: the quality or state of being unstable; especially : lack of emotional or mental stability

Examples of instability in a Sentence

  1. Investors are worried about the current instability of the stock market.

  2. The patient has a history of emotional instability.

Recent Examples of instability from the Web

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'instability.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of instability

15th century

in the meaning defined above

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INSTABILITY Defined for English Language Learners

instability

Definition of instability for English Language Learners

  • : the state of being likely to change

  • : the tendency to change your behavior very quickly or to react to things in an extremely emotional way


INSTABILITY Defined for Kids

instability

noun in·sta·bil·i·ty \ ˌin-stə-ˈbi-lə-tē \

Definition of instability for Students

: the quality or state of being unstable

Medical Dictionary

instability

noun in·sta·bil·i·ty \ ˌin(t)-stə-ˈbil-ət-ē \

medical Definition of instability

plural instabilities
: the quality or state of being unstable; especially : lack of emotional or mental stability


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