go back on your word

go back on (one's) word

To not do something one said one would do; to renege on something. People are beginning to worry that the president is going to go back on his word and not lower taxes for lower-income families after all. You made a commitment to support our project, and now you've gone back on your word! If the board goes back on their word to fund our research, we can't possibly continue.

See also: back, go, on, word

Farlex Dictionary of Idioms. © 2024 Farlex, Inc, all rights reserved.

go ˌback on your ˈword

not do what you have promised; break a promise: He said he wouldn’t charge more than €150, but he went back on his word and gave me an invoice for €200.

See also: back, go, on, word

Farlex Partner Idioms Dictionary © Farlex 2017