When it comes to describing a situation or event that isn't particularly exciting or eventful, the phrase "nothing much" is a commonly used expression. However, if you're looking to expand your vocabulary and add some variation to your language, there are plenty of synonyms you can use instead. Some alternatives to "nothing much" include "not much going on", "fairly quiet", "unremarkable", "mundane", "ordinary", "run-of-the-mill", "ho-hum", and "nothing to write home about". By using different expressions to describe a lackluster situation or event, you can add more nuance and detail to your language, making your conversation more interesting and engaging.