The phrase "nose in" is often used to describe someone who is overly curious or meddling in another person's business. If you're looking for synonyms to describe this behavior, you might consider words like "intrusive," "prying," "meddlesome," "interfering," "nosy" or "curious." These words all convey a sense of someone who is overly interested in what others are doing, often to the point of being annoying or bothersome. Whether you're dealing with a nosy neighbor, a meddling family member or an overly curious coworker, it's important to set boundaries and let them know when their behavior is not welcome.