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unsure

[uhn-shoo r, ‐shur] /ʌnˈʃʊər, ‐ʃɜr/
adjective
1.
not certain or confident:
He arrived at the party unsure of his welcome.
Origin of unsure
1400-1450
1400-50; Middle English; see un-1 + sure
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2017.
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Examples from the Web for unsure
Contemporary Examples
Historical Examples
  • And he rose with unsure joints and offered to lead the way to the wine cellar.

  • When you start to be afraid, you start to be unsure—not of anyone else's weaknesses, but of your own.

    Breaking Point James E. Gunn
  • She fumbled through it, unsure what she sought until her fingers held the lipstick pencil.

  • "Anna," he said, as if he answered her from a distance, unsure.

    The Rainbow D. H. (David Herbert) Lawrence
  • Of these things I was assured, yet too unsure to enjoy Thee.

British Dictionary definitions for unsure

unsure

/ʌnˈʃʊə/
adjective
1.
lacking assurance or self-confidence
2.
(usually postpositive) without sure knowledge; uncertain: unsure of her agreement
3.
precarious; insecure
4.
not certain or reliable
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 unsure
adj.

c.1400, "not safe against attack," also "lacking certainty," from un- (1) "not" + sure (adj.).

Online Etymology Dictionary, © 2010 Douglas Harper
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