1. to make moral judgments or give moral lessons, especially in a preachy or self-righteous way
Usage: British spelling; American spelling is ‘moralize’
2. to interpret or explain something in moral terms
Usage: British spelling; American spelling is ‘moralize’

Examples

• The teacher tends to moralise about the importance of honesty.
• She didn’t want to moralise, but felt the need to speak up about the unfair treatment.
• Critics accused the film of trying to moralise rather than simply tell a story.
• He would moralise every situation, turning simple events into life lessons.
• The author chose to moralise the fairy tale for modern readers.
• Parents often moralise their children’s behavior without realizing it.