1. in a manner intended to teach or instruct; in a way that emphasizes learning or moral instruction
Usage: often used to describe teaching methods or communication styles
2. in a manner that is overly focused on teaching or moralizing; in a pedantic or preachy way
Usage: often carries a slightly negative connotation when used this way

Examples

• The teacher explained the concept didactically, breaking it into clear, manageable steps.
• The film presented its environmental message didactically, prioritizing education over entertainment.
• He spoke didactically about the importance of reading, which made some listeners feel lectured.
• The museum's exhibits were arranged didactically to guide visitors through historical periods in order.
• She approached parenting didactically, always explaining the 'why' behind her rules.
• The novel's didactically heavy ending felt forced to many critics.