The word "most divaricate" implies a high level of divergence, branching out, or spreading apart. Antonyms for this word would include terms that connote unity, convergence, or coming together. Some possible antonyms for "most divaricate" might include phrases like "most convergent," "most cohesive," or "most uniform." These terms suggest a sense of harmony, compactness, or similarity, in contrast to the more scattered or divergent nature of "most divaricate." Depending on the context or application, choosing the most appropriate antonym may vary, but overall, the opposite of "most divaricate" is a quality of togetherness and coherence.