The word "most preliterate" refers to a state or condition of being largely illiterate or having limited knowledge of written language. Its antonyms would include terms such as literate, educated, knowledgeable, erudite, learned, cognizant, and scholarly. These words signify that the individual has acquired significant knowledge and skills in reading, writing, and other forms of communication. Being literate also opens up opportunities for personal growth, intellectual development, and social advancement. While most preliterate individuals struggle with limited access to information and resources, literate individuals are able to navigate the world with more confidence and ease.