The word "dis-unity" means lack of unity or division. However, there are a variety of antonyms for this term that can help express the opposite idea. For instance, harmony is one antonym for dis-unity, which connotes the presence of agreement, peace, and concord. Another antonym is cohesion, which suggests a strong bond or connection among individuals or groups. Unity is also an antonym of dis-unity, meaning the state of being together, united or consolidated. Additionally, agreement, consensus, and collaboration are other antonyms that signify the mutual understanding and cooperation within a group. All of these words demonstrate concepts that are the polar opposite of dis-unity.