The opposite of "most dampened" can be "driest" or "most dry". The word dampened refers to something that is made damp or wet. Therefore, the antonym of "most dampened" would be a term that conveys the opposite of wet or moist. Some other antonyms for "most dampened" include "arid", "parched", and "dehydrated". These words describe an environment or surface that is completely dry, without any trace of moisture. In contrast to dampened, they connote a lack of water or liquid. So, while dampened means soaked, sodden or moistened, dry, arid and parched all mean dry or lacking water, precipitation, or humidity.