Most apportioned is a phrase that refers to something that has been divided or allotted in a significant or substantial way. Antonyms for this phrase might include "least apportioned," "under-allocated," or "undersupplied." These terms suggest a lack or deficiency of resources, attention, or investment. Alternatively, antonyms for most apportioned might include "evenly distributed," "adequately shared," or "fairly proportioned." These terms suggest a more equal, balanced, or equitable division of resources or opportunities. Antonyms for most apportioned can highlight the varying degrees of access and privilege that exist within society and underscore the importance of striving for greater equality and fairness.