instability

play
noun in·sta·bil·i·ty \ˌin(t)-stə-ˈbi-lə-tē\

Definition of instability

  1. :  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.

15th Century

First Known Use of instability

15th century


INSTABILITY Defined for English Language Learners

instability

play
noun in·sta·bil·i·ty \ˌin(t)-stə-ˈbi-lə-tē\

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

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

Definition of instability for Students

  1. :  the quality or state of being unstable


Medical Dictionary

instability

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

Medical Definition of instability

plural

instabilities

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



Seen and Heard

What made you want to look up instability? Please tell us where you read or heard it (including the quote, if possible).

WORD OF THE DAY

to strike by flicking the finger outward

Get Word of the Day daily email!

WORD GAMES

Take a 3-minute break and test your skills!

  • hot-dog--hot-dog--hot-dog--hot-dog-cat
  • Which of the following words is not a synonym for ‘a young person’?
Name That Thing

Test your visual vocabulary with our 10-question challenge!

TAKE THE QUIZ
SCRABBLE® Sprint

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ