1. plural of optimism; instances or types of hopefulness and confidence about the future or success of something

Examples

• The different optimisms expressed by the candidates reflected their varied backgrounds.
• Her research examined various cultural optimisms throughout history.
• The team’s multiple optimisms about the project proved to be well-founded.
• Economic optimisms varied greatly between different sectors.
• The book explores competing optimisms about technological progress.
• Their shared optimisms helped them overcome many obstacles.