Prelusion refers to an introductory performance or a preliminary action taken before a main event. Antonyms for prelusion could include words like conclusion, finale, ending, closure, and termination. These words suggest finality or the conclusion of an event. Another antonym might be main event or culmination, which implies the key focal point of an event or performance. Additionally, bypass, skip, and omit could also be considered antonyms for prelusion as they suggest the absence or exclusion of a preliminary action or introduction. Overall, prelusion is a term associated with the start of something, and its antonyms suggest endings, accomplishments, or exclusions.