Most compartmented refers to a state of being highly organized or divided into separate sections. Antonyms for this word include unorganized, disordered, chaotic, and unstructured. These words imply a lack of order or structure, suggesting an absence of organizing principles. Other antonyms for most compartmented could be open, exposed, or unenclosed, which suggest a lack of boundaries or divisions. When applied to physical spaces, antonyms may include spacious or open, as opposed to tightly divided or cramped. In general, antonyms for the word most compartmented suggest a lack of organization, boundaries, or structure, and often imply disorder or chaos.