1. to make moral judgments or give lessons about right and wrong behavior
Usage: often implies being preachy or self-righteous
2. to interpret or explain something in terms of moral lessons

Examples

• The teacher moralizes about honesty after catching students cheating.
• He constantly moralizes about work ethic but rarely follows his own advice.
• The author moralizes the fairy tale to teach children about kindness.
• She moralizes every situation, making her friends uncomfortable.
• The politician moralizes about family values during campaign speeches.
• Critics say the film moralizes too heavily instead of just telling the story.