breaking one's promise

Verb

break one's promise (third-person singular simple present breaks one's promise, present participle breaking one's promise, simple past broke one's promise, past participle broken one's promise)

1. (idiomatic) To fail to keep or maintain an assurance, bond or commitment one has made.
   • (Are you gonna break your promise, baby?) / You said that you love me / (Are you gonna break your promise to me?) / Now you're actin' so strange, baby / (Are you gonna break your promise, baby?) / You said that you need me / (Are you gonna break your promise to me?)1968, The Delfonics, “Break Your Promise”, in La La Means I Love You

   Synonyms:

   go back on one's word, break one's word, renege on one's promise

   Antonyms:

   keep one's promise, stay true to one's word, be as good as one's word, deliver the goods