unsure

[ uhn-shoo r, ‐shur ]
/ ʌnˈʃʊər, ‐ʃɜr /

adjective

not certain or confident: He arrived at the party unsure of his welcome.

Origin of unsure

1400–50; Middle English; see un-1 + sure
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for unsure

British Dictionary definitions for unsure

unsure

/ (ʌnˈʃʊə) /

adjective

lacking assurance or self-confidence
(usually postpositive) without sure knowledge; uncertainunsure of her agreement
precarious; insecure
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

Word Origin and History for unsure

unsure


adj.

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

Online Etymology Dictionary, © 2010 Douglas Harper