noun
- a person who is excessively or unrealistically optimistic; someone who expects favorable outcomes beyond what is reasonable or justified
Usage: informal; often used critically or humorously
Examples
- He's an overoptimist who believes every startup will become the next unicorn.
- The overoptimist predicted the project would finish in two weeks despite obvious delays.
- She's such an overoptimist that she never prepares for worst-case scenarios.
- The team's overoptimist kept insisting everything would work out perfectly.
- Even after three failed attempts, the overoptimist remained convinced success was just around the corner.