1. intended to teach or instruct; educational
2. excessively inclined to teach or lecture others in a condescending way
Usage: often negative

Examples

• The museum’s didactic displays helped visitors understand ancient history.
• Children’s books often have a didactic purpose beyond entertainment.
• His didactic tone made the lecture feel more like a sermon.
• The novel was criticized for being too didactic and heavy-handed.
• She found his didactic manner annoying during casual conversations.
• The teacher’s didactic approach emphasized moral lessons alongside academic content.