veer off (of) (something)
1. To turn or swerve off of some path, trajectory, or direction very sharply or abruptly. The car suddenly veered off the road and crashed into a tree. I veered off of the race course because I thought I knew of a shortcut.
2. To diverge or deviate suddenly from some established plan, idea, topic, or purpose. I'm having a tough time keeping the team focused and not allowing the project to veer off course. The debate veered off into an argument about the senators' personal lives.
veer off (from someone or something)
to turn or steer sharply away from someone or something. The bird veered off from the cluster of trees. The bird veered off and missed hitting the post.
To turn aside suddenly and leave some course, direction, or purpose: The tire blew out, and the car veered off the road. The road veers off to the right, so stay alert. The teacher veered off the topic and left the students bewildered.