Basic texts typically refer to the fundamental or introductory readings that form the foundation of a course or subject. Antonyms of "basic texts" include advanced texts, specialized texts, supplementary texts, optional readings, and alternative sources. Advanced texts build on the basic texts, delving deeper into the subject matter and offering a more nuanced perspective. Specialized texts cater to particular disciplines or subfields, giving learners a more targeted understanding that goes beyond the general overview offered by basic texts. Supplementary texts provide additional resources that complement the basic readings, while optional readings allow learners to explore the subject matter through different lenses. Alternative sources offer challenging and diverse perspectives that defy the basic tenets of the subject matter.