foreswear Get Printable Handwriting Hear It! Say It! Write It! Learn It! Spelling Test Definition verb. to formally reject or refuse something. Example Sentence I decided to foreswear eating junk food for a healthier lifestyle. More Example Sentences They decided to foreswear bad habits together. Synonyms renounce; reject; abandon Antonyms accept; embrace; support Hear It! Say It! Write It! foreswear Switch to cursive Start Share with your friends: