turn back
verb.
retrace one's course
The hikers got into a storm and had to turn back
Synonym: backtrack, double back
verb.
go back to a previous state
We reverted to the old rules
Synonym: regress, retrovert, return, revert
verb.
force to go away; used both with concrete and metaphoric meanings
Drive away potential burglars|drive away bad thoughts|dispel doubts|The supermarket had to turn back many disappointed customers
Synonym: run off, drive out, drive off, drive away, dispel, chase away
verb.
hold back, as of a danger or an enemy; check the expansion or influence of
Arrest the downward trend|Check the growth of communism in South East Asia|Contain the rebel movement|Turn back the tide of communism
Synonym: stop, hold back, contain, check, arrest
verb.
turn inside out or upside down
Synonym: invert, reverse