The word "most augmented" is typically used to describe something or someone that has been enhanced or improved to the greatest degree possible. However, there are several antonyms or opposite meanings of the word "most augmented." One such antonym is "unaltered," which means that something remains in its original or natural state without any changes or enhancements. Another antonym for the word is "reduced," meaning that something has been lowered in quantity, quality or size. A third antonym for "most augmented" is "depleted," which means that something has been drained, emptied or used up to a great extent.