1. the belief in or pursuit of idealistic schemes for social and political reform that are considered impractical or unrealistic

Examples

• The politician’s utopianism led him to propose sweeping reforms that had little chance of success.
• Critics dismissed the plan as pure utopianism, arguing it ignored economic realities.
• Her utopianism inspired many followers, even though her ideas seemed impossible to implement.
• The movement was characterized by a blend of utopianism and practical activism.
• Many accused the reformers of dangerous utopianism that would destabilize society.
• His utopianism prevented him from accepting necessary compromises in the legislation.