Synonym: renege, renege on, renegue on. Similar words: back on, go back to, fall back on, back of, tobacco, black out, back, for lack of. Meaning: v. fail to fulfill a promise or obligation.
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31 He go back on his promise not to see the girl.
32 You should never go back on your word, if possible.
33 If he promised to help, he will not go back on his promise.
More similar words: back on, go back to, fall back on, back of, tobacco, black out, back, for lack of, back up, hold back, set back, pay back, back away, call back, cut back, draw back, backyard, feedback, keep back, give back, look back, bring back, date back to, double back, back and forth, background, quarterback, gob, go by, look on.