Verb
fail to fulfill a promise or obligation
Source: WordNetShe backed out of her promise Source: Internet
After a debriefing he was allowed to go back on the air for NBC. Source: Internet
He therefore ordered the Egyptians to go back on the offensive, but their attack was quickly repulsed. Source: Internet
Everything I read lead me to stick to the decision not to go back on it even though I almost caved because I just wanted this to end. Source: Internet
I am willing to follow orders and never go back on my word. Source: Internet
"Like a true marine, he turned it down to go back on the front line with his brother marines," said Geri. Source: Internet