Go off at a tangent and Go off

Go off and go off at a tangent are semantically related. In some cases you can replace term "Go off" with "Go off at a tangent", this terms are similar.

Go off verb - To break open or into pieces usually because of internal pressure.

Go off at a tangent and go off are semantically related. Sometimes you can replace phrase "Go off at a tangent" with "Go off", this terms are similar.