1. idealistic beliefs or theories about creating perfect societies; impractical schemes for social reform
Usage: plural form

Examples

• The professor criticized the various utopianisms proposed by 19th-century reformers.
• His political writings were filled with naive utopianisms that ignored economic realities.
• The commune failed because it was based on romantic utopianisms rather than practical planning.
• Many revolutionary movements have been driven by competing utopianisms.
• The book examines different utopianisms throughout history and their common failures.
• Critics dismissed the proposal as another example of Silicon Valley’s technological utopianisms.