The phrase "hath no use for" means to not have any desire or place for something. Antonyms [opposites] for this phrase could include "valuable," "utilitarian," "essential," "important," or "significant." These words emphasize the importance or usefulness of an item or action. Whereas "hath no use for" implies a lack of value, these antonyms emphasize the opposite. When we use these antonyms, it conveys that an item, idea, or action is worthy of consideration and has a meaningful purpose. Using antonyms can help us to convey a more positive tone, and to express the full range of emphasis when discussing any given topic.