Unwithered is an adjective that describes something that is still fresh and vigorous, without signs of decay or decline. Its antonyms are words that describe the opposite state, such as withered, faded, wilted, dried up, blighted, or decayed. Withered means being dried up and shriveled due to lack of moisture or nourishment, while faded means becoming dull and pale over time. Wilting refers to the loss of rigidity and vitality in a plant or a person. Drying up refers to the loss of moisture or life-giving fluids that keep something fresh and healthy. Blighted implies suffering from a contagious disease or a curse, while decayed means being in a state of decomposition or rot.