sundered Get Printable Handwriting Hear It! Say It! Write It! Learn It! Spelling Test Definition verb. to break or force apart; to sever. Example Sentence A bolt of lightning sundered the rock neatly down the middle. Synonyms separate; sever; break; break apart; break off Antonyms put together Hear It! Say It! Write It! sundered Switch to cursive Start Share with your friends: