The phrase "have a bone to pick" means to have a disagreement or issue with someone, often something that has been bothering or annoying you. Antonyms for this phrase include being at peace, having no quarrels, having no objections, and being in agreement. If you have no bone to pick with someone, that means you have no problems with them and are content with your relationship. Similarly, if you are in agreement with someone, you are on the same page and have no disputes. These antonyms reflect a sense of harmony and understanding, which is the opposite of the tension that comes with having a bone to pick.