1. having or showing high moral principles and a belief that people and situations can be improved or perfected
2. unrealistic in expecting perfection or improvement; impractical
Usage: often implies criticism

Examples

• She had idealistic dreams of ending world hunger.
• The young politician’s idealistic vision inspired many voters.
• His idealistic approach to business often clashed with financial realities.
• The idealistic students organized protests for social justice.
• Critics called her plan too idealistic to work in practice.
• He maintained an idealistic belief in human goodness despite setbacks.
• The idealistic teacher wanted to reach every struggling student.