1. an imaginary place or state of things in which everything is perfect
2. an impractical idealistic scheme for social and political reform

Examples

• The novel describes a utopia where war and poverty no longer exist.
• Many consider his plan for world peace to be a utopia.
• The commune was meant to be a utopia but failed within a year.
• She dreamed of creating a utopia where everyone lived in harmony.
• Critics called the politician’s promises nothing more than utopia.
• The island seemed like a utopia until they discovered its dark secrets.