The antonyms for the word "more miniaturized" could be "larger", "bigger", "bulkier" or "heavier". These words imply an increase in size, volume or weight, which is the exact opposite of miniaturization. While miniaturization refers to the process of making something smaller and more compact, its antonyms suggest expansion, growth or magnification. Thus, the context in which these words are used would greatly affect their meaning. For instance, if we were talking about electronic devices, "more miniaturized" could mean advanced technology, whereas "larger" or "bigger" could imply older versions or a less portable product.