forswear
verb (formal or literary)- forswear something
to stop doing or using something; to make a promise that you will stop doing or using something synonym renounce放弃;发誓戒除 The group forswears all worldly possessions. 这个团体放弃一切尘世财物。 The country has not forsworn the use of chemical weapons. 该国并未保证禁用化学武器。
Word OriginOld English forswerian (from for- and swear).