The prefix "un" is a common negation in the English language, indicating the opposite of a term or removing a characteristic. However, there are numerous synonyms for "un" that can be used to create more variation in conversation or written work. Some such synonyms include "non," "dis," "anti," "contra," and "in." For example, "noncompliant" can be used in place of "uncooperative," and "disorganized" as a substitute for "unstructured." Likewise, "antithesis" can convey the opposite of something, "contravene" can mean to oppose or to go against, and "inability" can suggest a lack of capacity or competency. By using synonyms for "un," writers and speakers can add interest and specificity to their language.