back‧track /ˈbæktræk/ verb [intransitive]

1. to change an opinion or promise that you gave so that it is not as strong as it was earlier ⇒ backpedal
backtrack on
The President is backtracking on his promise to increase health care spending.

2. to return by the same way that you came:
We had to backtrack about a mile.

[TahlilGaran] Dictionary of Contemporary English ▲