turn back

verb

1. retrace one's course"The hikers got into a storm and had to turn back"
2. go back to a previous state"We reverted to the old rules"
3. force to go away; used both with concrete and metaphoric meanings"Drive away potential burglars"
4. hold back, as of a danger or an enemy; check the expansion or influence of"Arrest the downward trend"
5. turn inside out or upside down