Consociates refers to people or organizations who are closely associated or work together. The antonyms for this word would include terms that describe people or groups who are not associated or work independently. Some of the antonyms for consociates include stranger, enemy, rival, antagonist, and outsider. These words suggest a lack of familiarity, cooperation, or trust between individuals or groups. While consociates connote social or professional networks, the antonyms for this term denote exclusion, opposition or competition. For instance, a rival is a competitor, while an outsider is a person who does not belong to a particular group or organization.