The term "most concordant" refers to the degree of agreement or harmony between two or more elements. Its antonyms, or opposites, include "most discordant," which implies a lack of agreement, harmony, or consensus. Other antonyms include "incompatible," "inharmonious," and "dissonant." These terms denote situations where two or more elements are not in agreement with each other or do not fit well together. The opposite of concordance can also be expressed by words such as "conflict," "dispute," or "strife," which describe a state of disagreement or disagreement between two or more parties.