Found 2 items, similar to overconfidence.
English → English (WordNet) Definition: overconfidence overconfidence n : total certainty or greater certainty than circumstances warrant [syn: certitude, cocksureness]
English → English (gcide) Definition: Overconfidence Overconfidence \O"ver*con"fi*dence\, n. Excessive confidence; too great reliance or trust. [1913 Webster]