Antonyms for the term "more polysemous" are "less ambiguous," "single-meaning," and "univocal." These antonyms imply that an object, term, or concept only has one clear and specific interpretation or meaning, unlike polysemous words or phrases that have multiple meanings or interpretations. When a term or phrase has a polysemous nature, it can often lead to confusion, misunderstandings, or misinterpretations. By using less ambiguous terms, speakers and writers can better convey their intended message with greater clarity and precision. Less polysemous language can help promote effective communication and understanding, especially in academic, scientific, or technical domains where clarity and accuracy are crucial.