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WORDNET DICTIONARY

Verb backtrack has 1 sense

• backtrack(v = verb.motion) double back, turn back - retrace one's course; "The hikers got into a storm and had to turn back"
is one way to return
Sample sentences:
Something ----s
Somebody ----s

OXFORD DICTIONARY

ROGET THESAURUS

backtrack

Regression

VB recede, regrade, return, revert, retreat, retire, retrograde, retrocede, back out, back down, balk, crawfish, crawl, withdraw, rebound, go back, come back, turn back, hark back, draw back, fall back, get back, put back, run back, lose ground, fall astern, drop astern, backwater, put about, backtrack, take the back track, veer round, double, wheel, countermarch, ebb, regurgitate, jib, shrink, shy, turn tail, turn round, turn upon one's heel, turn one's back upon, retrace one's steps, dance the back step, sound a retreat, beat a retreat, go home.

For further exploring for "backtrack" in Webster Dictionary Online