renege on


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renege on something

to go back on one's promise or commitment. I am mad at you because you reneged on your promise! I did not renege on what I promised.
See also: on

renege on

v.
To fail to carry out some promise or commitment; go back on a promise or commitment: If I had known that you would renege on your contract, I never would have hired you.
See also: on