Overoptimistic
(adjective)
- Having an excessive or unrealistic degree of hope or confidence.
- Believing that the outcome of a situation or event will be better than is likely or realistic.
Origin:
Formed from the noun 'optimism' with the prefix 'over-', meaning 'excessively'.
Examples:
- The investors were overoptimistic about the new technology, leading to financial losses.
- The coach was overoptimistic about his team's chances of winning, despite the odds.
- She was overoptimistic about finishing the project within the deadline.
- The company was overoptimistic about the sales projections for the new product.
- He was overoptimistic about his job prospects, and was disappointed when he didn't get hired.