to go off on a tangent
01
to begin talking about a subject that is not in any way related to the original topic that is being discussed
Dialect
American
American
![to [go] off on a tangent definition and meaning](https://cdn.langeek.co/photo/46081/original/?type=jpeg "to [go] off on a tangent definition and meaning")
Idiom
Informal
أمثلة
While discussing the book's central theme, she went off on a tangent about the author's background and other unrelated topics.
