The term "doubles up" means to increase or replicate something. Antonyms for this term would include words that denote reducing the amount or number, decreasing or cutting back, and minimizing. Some of the antonyms for "doubles up" include reducing, decreasing, minimizing, trimming, and decreasing. For example, instead of doubling up, one can reduce their workload, decrease their expenses, or minimize their efforts. These antonyms are useful in expressing the opposite meaning to doubling up or providing a range of options to choose from, depending on the context in which they are used.