divagate

/ˈdaɪvəˌɡeɪt/
verb
  1. To wander or stray from a topic or path; to digress.
    • I tried to stay focused, but my mind began to divagate to weekend plans.
    • The writer would often divagate from the main plot, adding long descriptions of scenery.
    • The professor tends to divagate during lectures, telling stories unrelated to the lesson.
Antonyms
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