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uncertainty

[uhn-sur-tn-tee] /ʌnˈsɜr tn ti/
noun, plural uncertainties for 2.
1.
the state of being uncertain; doubt; hesitancy:
His uncertainty gave impetus to his inquiry.
2.
an instance of uncertainty, doubt, etc.
3.
unpredictability; indeterminacy; indefiniteness.
Origin
1350-1400
1350-1400; Middle English uncerteynte; see un-1, certainty
Synonyms
1. hesitation, irresolution, indecision, ambivalence.
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Based on the Random House Dictionary, © Random House, Inc. 2014.
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British Dictionary definitions for un certainty

uncertainty

/ʌnˈsɜːtəntɪ/
noun (pl) -ties
1.
Also called uncertainness. the state or condition of being uncertain
2.
an uncertain matter, contingency, etc
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Word Origin and History for un certainty

uncertainty

n.

late 14c., from uncertain + -ty.

Online Etymology Dictionary, © 2010 Douglas Harper
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