Verb turn back has 4 senses
- backtrack, turn back, double back - retrace one's course; "The hikers got into a storm and had to turn back"
 --1 is one way to return, go back, get back, come back
 Sample sentences:
 Something ----s
 Somebody ----s
 
- revert, return, retrovert, regress, turn back - go back to a previous state; "We reverted to the old rules"
 --2 is one way to change by reversal, turn, reverse
 Sample sentences:
 Something ----s
 Somebody ----s
 Something is ----ing PP
 Somebody ----s PP
 
- chase away, drive out, turn back, drive away, dispel, drive off, run off - 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"
 --3 is one way to move, displace
 Sample sentences:
 Somebody ----s something
 Somebody ----s somebody
 Something ----s somebody
 
- check, turn back, arrest, stop, contain, hold back - 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 Sout East Asia"; "Contain the rebel movement"; "Turn back the tide of communism"
 --4 is one way to defend
 Sample sentences:
 Somebody ----s something
 Somebody ----s somebody
 Something ----s somebody
 Something ----s something
 
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