The word "uni" is commonly used as an abbreviation for university. However, there are numerous synonyms that can be used to express the same meaning. Some of these synonyms include college, institute, school, academy, and higher education institution. Another synonym that is frequently used is "varsity," which is often used to refer to the sports teams of a university. Additionally, terms like "tertiary education," "higher learning," or "post-secondary education" can also be used as synonyms for university. Ultimately, the choice of synonym will depend on the context and the level of formality desired in the communication.