Basic text refers to the primary text or source material for any given subject or topic. Antonyms for this term are numerous, as there are various types of sources or texts that might be considered the opposite. Some antonyms might include advanced or specialized texts, which are geared toward readers with significant prior knowledge on a subject. Other antonyms might include fictional, creative, or imaginative texts, which contain substantial elements of artistic expression or storytelling. Alternatively, sources that provide misinformation, propaganda, or disinformation could be considered antonyms for basic text, as they are not intended to provide accurate and unbiased information.