The word "inapposite" refers to something that is inappropriate, irrelevant, or not suitable for the matter being discussed. Antonyms for inapposite would be words like relevant, appropriate, fitting, suitable, and pertinent. For instance, when making a statement in a court of law, the attorney has to stick to relevant information that would help their clients' case. Going off-topic or discussing irrelevant matters is inapposite in such a situation. Antonyms such as relevant, appropriate, or fitting would better describe a situation where a statement addresses the matter at hand, and it is not out of place. In summary, the antonyms of inapposite are all about being appropriate to the topic of discussion.