The phrase "having no use for" refers to a lack of need or value in something. Its antonyms would be words that express the opposite meaning such as "valuing", "appreciating", "making use of", "finding value in", and "finding a purpose for". These antonyms suggest a positive disposition towards something or someone and reflect the importance of recognizing the worth of things that are often overlooked. Being able to identify the antonyms of "having no use for" can help us adjust our mindset towards a more positive outlook, and encourage us to appreciate the things and people in our lives.