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1. Dictionary

   instability

   /ˌɪnstəˈbɪlɪti/

   noun

   • 1. the state of being unstable; lack of stability: "political and economic instability" Similar unreliabilityuncertaintyunpredictabilityunpredictablenessprecariousnessunsteadinessinsecurityvulnerabilityperilousnessriskinessimpermanencetemporarinesstransienceinconstancychangeabilityvariabilityfluidityfluctuationrise and fallrising and fallinginformal:chancinessiffinessdodginessliterary:mutabilityunsteadinessunsoundnessshakinessricketinesswobblinessfrailtyfragilityflimsinessinsubstantialityOpposite stabilitystabilitysoundness
   • ▪ tendency to unpredictable behaviour or erratic changes of mood: "she showed increasing signs of mental instability" Similar changeablenessvariabilitycapriciousnessvolatilityflightinessfitfulnessvacillationoscillationunpredictabilityunpredictablenessmoodinessa tendency to blow hot and coldunsoundnessfrailtyinfirmityweaknessirregularityabnormalityrare:erraticismOpposite stability

   Word Origin late Middle English: from French instabilité, from Latin instabilitas, from instabilis, from in- ‘not’ + stabilis (see stable1).

   Scrabble Points: 16

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2. dictionary.cambridge.org › english › instabilityINSTABILITY | English meaning - Cambridge Dictionary

   dictionary.cambridge.org › english › instability

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   INSTABILITY definition: 1. uncertainty caused by the possibility of a sudden change in the present situation: 2…. Learn more.

3. www.dictionary.com › browse › instabilityINSTABILITY Definition & Meaning - Dictionary.com

   www.dictionary.com › browse › instability

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   noun. the quality or state of being unstable; lack of stability or firmness. the tendency to behave in an unpredictable, changeable, or erratic manner: emotional instability. instability. / ˌɪnstəˈbɪlɪtɪ /.

4. www.merriam-webster.com › dictionary › instabilityInstability Definition & Meaning - Merriam-Webster

   www.merriam-webster.com › dictionary › instability

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   The meaning of INSTABILITY is the quality or state of being unstable; especially : lack of emotional or mental stability. How to use instability in a sentence.

5. www.collinsdictionary.com › english › instabilityINSTABILITY definition and meaning | Collins English Dictionary

   www.collinsdictionary.com › english › instability

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   instability in British English. (ˌɪnstəˈbɪlɪtɪ ) noun Word forms: plural -ties. 1. lack of stability or steadiness. 2. tendency to variable or unpredictable behaviour. 3. physics. a fast-growing disturbance or wave in a plasma.

6. dictionary.cambridge.org › english › instabilityINSTABILITY | definition in the Cambridge English Dictionary

   dictionary.cambridge.org › english › instability

   • Cached

   INSTABILITY meaning: 1. uncertainty caused by the possibility of a sudden change in the present situation: 2…. Learn more.

7. www.collinsdictionary.com › instabilityINSTABILITY - Find out everything about this English word ...

   www.collinsdictionary.com › instability

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   All you need to know about "INSTABILITY" in one place: definitions, pronunciations, synonyms, grammar insights, collocations, examples, and translations.

8. www.vocabulary.com › dictionary › instabilityInstability - Definition, Meaning & Synonyms - Vocabulary.com

   www.vocabulary.com › dictionary › instability

   Instability is the quality of not being stable, balanced, or predictable. If you've ever walked out onto a diving board, you've probably noticed its instability — meaning the board bends and bounces as you move.