digression
nounUK /daɪˈɡreʃ.ən/
US /daɪˈɡreʃ.ən/
A digression is when you stop talking about the main thing and start talking about something else for a while.
The teacher's story about her cat was a funny digression from the math lesson.
RELATED WORDS
OTHER MEANINGS
2. A part of a speech or piece of writing that moves away from the main subject.
The essay was interesting, but it had several long digressions about the author's childhood.
3. The act of moving away from a planned path or course.
Our hike included a short digression to see the waterfall.
4. A temporary change from the usual way of doing something.
The meeting was a digression from our normal schedule.