• WordNet 3.6
    • n overconfidence total certainty or greater certainty than circumstances warrant
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Webster's Revised Unabridged Dictionary
    • n Overconfidence Excessive confidence; too great reliance or trust.
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Century Dictionary and Cyclopedia
    • n overconfidence The state of being over-confident; excessive confidence.
    • ***


In literature:

Numerous incidents of a similar nature had made us overconfident.
"The Escape of a Princess Pat" by George Pearson
Overconfidence is our worst national fault.
"The Boy Scout Automobilists" by Robert Maitland
But the latter were overconfident.
"The Great Events by Famous Historians, Volume 07" by Various
The preliminary encounter was a mortifying experience for the sextet of overconfident youth.
"The Doomsman" by Van Tassel Sutphen
No; I was overconfident, and I lost.
"The Road to Frontenac" by Samuel Merwin
He felt so sure of this that he became overconfident.
"The Ivory Snuff Box" by Arnold Fredericks
For he knew that the Doctor never lost a fight through overconfidence.
"In the Heart of a Fool" by William Allen White
The secrecy and success of the conspiracy brought great chagrin to the overconfident Rufinus.
"Women of Early Christianity" by Alfred Brittain
He did contain himself, however; for he had hunted beaver before, and not with a success to make him overconfident.
"The Haunters of the Silences" by Charles G. D. Roberts
So Alvan meets the crisis overconfident in his strength.
"The Three Heron's Feathers" by Hermann Sudermann

In news:

"I would be shocked if we were overconfident," Kiffin said.
How Men's Overconfidence Hurts Them as Investors.
Arena warns against US overconfidence at World Cup.
Texas is not overconfident .
Obama is on track to win, but backers shouldn't get overconfident .
Is the Romney team overconfident .
Facebook's $100 Billion IPO: Aggressive or Overconfident .
The recession that began in 2008 is said to be over, but the overconfidence that preceded it is still missing.
Rope-a-dope , made famous by boxer Muhamed Ali, makes the opponent overconfident, tires him out and makes him vulnerable to a fatal punch.
Stuck with the Consequences of an Earlier Era's Overconfidence.
Sally Koslow says in a down job market, many young adults exist in a cloud of overconfidence with an illusion of endless time.
Rope-a- dope , made famous by boxer Muhamed Ali, makes the opponent overconfident, tires him out and makes him vulnerable to a fatal punch.
Manny Pacquiao's overconfidence led to his knockout .
For campaign operatives and cable-news anchors, it is a job requirement to insist earnestly, if overconfidently, that each upcoming election is historic, realigning, and game-changing.
He was interviewed by a Spanish radio station and may have called the team overconfident and selfish.

In science:

The results of the experiment demonstrate that giving examples is more accurate, easier and less prone to overconfidence than creating formula.
Concerning the Feasibility of Example-driven Modelling Techniques
Overconfidence in human activity is prolific; research shows that in relatively complex problems, humans are consistently overconfident.
Exploring Human Factors in Spreadsheet Development
In particular Russo and Schoemaker (1992) examine the costs and causes of overconfidence in decision making.
Exploring Human Factors in Spreadsheet Development
This overconfidence does not just apply to novice or inexperienced professionals.
Exploring Human Factors in Spreadsheet Development
The same rules apply to ‘experts’ as Lusted (1977) and Oskamp (1965) demonstrated with physicians and clinical psychologists respectively. Overconfidence, when seen from a spreadsheet development point view, is really concerned with all stages of the plan, build, and test development cycle.
Exploring Human Factors in Spreadsheet Development