What is "reneged"

Usage examples of "reneged".

Having more or less agreed to her terms right from the start, John Cross had ultimately reneged and, moreover, in the most treacherous and despicable way.

She knew without having to be told that John Cross had reneged on the deal.

So amusement parks were not favorite places, but here she was on her way to Kid Kountry, a bloated monument to sensory redundance, price gouging, and group fun, because a promise was a promise and she had already reneged twice in the past two weeks.