The word "re-plications" does not have any direct antonyms, as it is not a common word and has a specific meaning of repeating or duplicating something. However, some possible antonyms for the concept of repli-cations could be discontinuation, cessation, or termination, which imply the opposite of repeating or continuing a process. These words denote a break or an end in the course of an activity or event, suggesting a finality or a resolution of a problem. Additionally, antonyms such as variation, diversity, or novelty could be used to describe the opposite of repetition, indicating the presence of differences or changes in a sequence.