Dis-unions, as the name implies, is a negative term that refers to the act or state of being separated or divided. There are several antonyms for dis-unions that denote unity and togetherness. Harmony, accord, agreement, and concordance are notable antonyms of dis-unions. These words signify peace, consistency, and the act of being united as a group or society. Some other antonyms for dis-unions include alliance, connection, consolidation, and cohesion, which all suggest a bond that brings people or groups together. With these antonyms, it is clear that the opposite of dis-unions is not only about being together, but also about the willingness to work together.