Antonyms for the phrase "have use for" can include words such as "unnecessary," "superfluous," "redundant," "disuse," or "excess." These words indicate a lack of necessity or relevance for something, suggesting that it is no longer needed, useful, or desirable. When we do not have any use for something, we may dispose of it, ignore it, or simply let it go. Knowing antonyms for common phrases is an essential aspect of expanding your vocabulary and becoming a more effective communicator. Understanding antonyms can improve your writing, public speaking, and critical thinking skills.