Hiccups are a common phenomenon that occurs when the diaphragm muscle contracts involuntarily. There are plenty of synonyms for the word "hiccups" that you could use to describe this experience. Some common synonyms include "hiccoughs," "singultus," or "hic." The term "hiccup" comes from the sound that people make when they experience this phenomenon. Other colloquial terms for hiccups include "hickies," "hiccoughs," and "hiccough-ins." Hiccups can be quite bothersome, but they are usually not a cause for concern. Generally, they will resolve on their own without any intervention. If they persist for longer durations, it may be an indication of underlying health conditions that would require medical attention.