The word "unwithered" implies that something has maintained its freshness and vigor, remaining untouched by the effects of time and decay. Antonyms for "unwithered" include a range of words that describe decay, rot, and general deterioration. Some examples of antonyms for "unwithered" might include "withered," "dying," "decaying," "fading," "wilting," and "weakening." These words describe a sense of decline, loss, and fading vitality. Opposite of jubilance, unwithered connotes freshness and vitality, and antonyms for it are vivid, pulsating, and flourishing. Together, these words form a spectrum of experiences and emotions that describe the natural cycles of growth and decline in the world around us.