Synonyms of 'double back'
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If you backtrack, you go back along a path or route you have just used.
We had to backtrack to the corner and cross the street.
If you loop something such as a piece of rope around an object, you tie a length of it in a loop around the object, for example in order to fasten it to the object.
He looped the rope over the wood.
Thesaurus for double back from the Collins English Thesaurus
If you double back you go back in the direction that you came from.