1. to speak or write in a tedious, self-righteous, or moralistic manner; to deliver a sermon or moral lecture in an annoying way
Usage: informal; often derogatory; third-person singular present tense of 'preachify'

Examples

• He preachifies about healthy eating while ordering fast food.
• She preachifies to her coworkers about work-life balance every Monday morning.
• The politician preachifies about family values in every speech.
• My uncle preachifies whenever we discuss politics at dinner.
• Instead of preachifying, she could simply set a good example.
• He preachifies about environmental responsibility but drives an SUV.
• The coach preachifies about teamwork rather than showing it in practice.