Batched can have a few different antonyms depending on the context. If we are talking about food or cooking, the antonym could be prepared or cooked individually. Alternatively, if we are discussing manufacturing or production, the antonym could be continuous or single-piece flow. In terms of data processing or programming, the antonyms could be real-time or streaming, which refer to the instantaneous processing of data. Another antonym for batched could simply be unbatched, which implies that there is no specific grouping or segmentation of items or tasks. Ultimately, the antonyms for batched will vary depending on the specific usage and context of the word.