I don't know why you would renege on the deal.
Renege is another word for revoke. It means to back out on a promise or contract. A good sentence would be, he thought he could renege the contract that he already signed.
The past tense of renege is reneged.
Renege means to go back on a promise, contract, undertaking.
Reverse, Backslide and Unfaithful are synonyms for the term Renege. To renege also means to break a promise or to go back on one's word, to backslide.
The correct spelling is renege (to go back on one's word).
renege
To go back on a promise.
# Steve Cooley on Thursday, contending that he reneged on a promise that would have shaved significant time off her sentence, attorneys said.# In South Bay, the citizen said the judge reneged on deal.# He reneged on the contract at the last minute.
Blue
Reneging, from the verb to renege.
renege from your own words
Renege