The quality or state of being diffident; timidity or shyness.(noun)
American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Use "diffidence" in a sentence
"Some were put off by what they termed his diffidence, his driving ambition and perfectionism."
"And since monetary policy in a liquidity trap must work mainly through its effect on expectations, such diffidence is not only an abdication of responsibility; it undermines the effectiveness of whatever monetary expansion actually takes place."
"And George W. Bush's blatant diffidence is annoying, too -- not that he has even the tiniest shred of credibility left, but it would be nice if he sort of tried to say or do something comforting in these bleak days."