Nearby Words

instability

[in-stuh-bil-i-tee] Origin

in·sta·bil·i·ty

[in-stuh-bil-i-tee]
noun
1.
the quality or state of being unstable; lack of stability or firmness.
2.
the tendency to behave in an unpredictable, changeable, or erratic manner: emotional instability.

Origin:
1375–1425; late Middle English instabilite < Latin instabilitās. See in-3, stability
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2012.
Cite This Source Link To instability

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Instability has a plethora of syllables.
So is pneumonoultramicroscopicsilicovolcanoconiosis. Does it mean:
an obscure term ostensibly referring to a lung disease caused by silica dust, sometimes cited as one of the longest words in the English language.
given to using long words.
Collins
World English Dictionary
instability (ˌɪnstəˈbɪlɪtɪ)
 
n , pl -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

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
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Etymonline
Word Origin & History

instability
c.1422, from M.Fr. instabilite, from L. instabilitatem (nom. instabilitas) "unsteadiness," from instabilis "unsteady," from in- "not" + stabilis (see stable (2)).
Online Etymology Dictionary, © 2010 Douglas Harper
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