The phrase "being loggerheads" means to be in a state of conflict or disagreement. Its antonyms include agreement, harmony, concord, unity, peace, cooperation, collaboration, and consensus. When people are in agreement, they share a common understanding or viewpoint, and they work together towards a common goal. In contrast, being loggerheads can create negative consequences, such as misunderstandings, tension, and a lack of progress. Therefore, it is essential to foster an environment of understanding and communication so that individuals can work together towards a common goal. This can lead to greater productivity, enhanced relationships, and a more positive work environment.