The antonyms for the word "unwilted" are numerous and include terms such as wilted, withered, droopy, languid, limp, flaccid, and floppy. These words all describe something that is lacking vitality, moisture, and freshness, and are often used to describe flowers, plants, or leaves that have lost their crispiness and vitality. In contrast, the term "unwilted" implies that something is still fresh, sturdy, and full of life, which is why it is often used to describe flowers or plants that have just been cut, harvested, or watered. By knowing these antonyms, we can better understand the nuances and shades of meaning associated with the word "unwilted" and use it more effectively in our writing and speech.