Meaning: to go back to a previous way of behaving, or an old way of doing things
- revert to sth After trying out a new production technique, the factory reverted to its old method after there were problems with the new one.
- revert to sth Bill reverted to his old drinking habits after his divorce, and soon he was having problems at work again.
Dorothy lost a lot of weight when she was on the diet. When she reverted to her old eating patterns, she