Simple past tense and past participle of renege.(verb)
Wiktionary.org : Text is available under the Creative Commons Attribution-ShareAlike License
Use "reneged" in a sentence
"The label reneged on its policy, which is why today we're able to bring you OK Go's new video for "This Too Shall Pass," which features a Rube Godlberg machine that puts its predecessors to shame."
"It is alleged that his motive for flight was because the presiding judge "reneged" on the plea bargain respecting his sentence and threatened to impose a longer sentenced than agreed."
"I don't think it was underhand and for that reason, I think to say he "reneged" on a promise is a bit harsh, especially how soon into the SNP administration we are."