Germaneness refers to the quality of being relevant or closely related to a particular subject or topic. It is important to have germane points when making an argument or presenting a case. However, there are several antonyms to this word that describe irrelevance, disconnection, or inconsistency. Some of the antonyms for germaneness include irrelevance, unrelatedness, inconsequentiality, inaptitude, and inconsistency. These words describe situations where an idea or point is not relevant or applicable to the subject at hand, making it difficult to develop a cogent argument or make a convincing case. When communicating, it is essential to use germane information and avoid antonyms, which can lead to confusion and misunderstanding.