Jeez is an informal, slang term that is used to express surprise, frustration, or annoyance. However, there are several synonyms for Jeez that can convey the same message. Some of the most popular synonyms for Jeez include Geez, Gosh, Goodness, My Goodness, Holy Cow, Oh My, Oh My God, Oh Dear, and Jeepers. Each of these words can be used in different contexts to express emotion and convey meaning. However, like Jeez, it is important to use these words appropriately so that they do not come across as insensitive or disrespectful to those around you.