overoptimism
/ˌoʊvərˈɑptəˌmɪzəm/
noun
- A tendency to expect the best possible outcome even when it is unrealistic or unlikely.
- The team's overoptimism about the project timeline caused them to miss the deadline.
- His overoptimism led him to invest all his savings in a risky startup.
- A little hope is good, but overoptimism can blind you to real problems.
Synonyms