break one's word
Violate or fail to observe a promise or contract one has made. For example, You can trust him implicitly; I've never known him to break his word. [c. a.d. 1000]
| the offspring of a zebra and a donkey. |
| a calculus or concretion found in the stomach or intestines of certain animals, esp. ruminants, formerly reputed to be an effective remedy for poison. |
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