digress

verb
UK /daɪˈɡres/
US /daɪˈɡres/

To stop talking about the main thing and start talking about something else.

The teacher digressed from the lesson to tell a funny story about her cat.


OTHER MEANINGS

2. To move away from the main subject in writing or speech.

The essay digresses into a long description of the author's childhood.

3. To turn aside from a path or course.

The hiking trail digresses from the river and climbs into the hills.

4. To depart from the main point temporarily and then return.

He digressed for a moment before finishing his explanation.