quixotic
🇺🇸
/kwɪkˈsɑːtɪk/
🇬🇧
/kwɪkˈsɒtɪk/
unrealistic and impractical, based on idealism rather than reality
His quixotic plan to build a utopian society was met with skepticism by his peers.
彼の理想的な社会を築くという空想的な計画は、同僚たちに懐疑的に受け止められました。