The word "customizes" means to tailor something to specific needs or preferences. Its antonyms are "standardize," "uniformize," "generalize," and "mass-produce." When something is standardized or uniformized, it is produced without any alterations or changes to fit specific needs. In contrast, when something is customized, it is specially created to meet the unique requirements of an individual or group. Generalizing refers to creating a broad-based solution that may not be specific to a particular situation, while mass-producing refers to the production of goods in large quantities without customization. In short, antonyms for "customizes" involve creating solutions that are standardized, uniform, or mass-produced.