"Humph" is a word used to express disdain, disbelief, or dissatisfaction. While it's a strong expression, there are other words that can be used as synonyms for "humph" such as "grumble," "snort," "groan," "harrumph," "snicker," and "scoff." These words convey a similar sentiment and are commonly used in frustrated or disapproving situations. Depending on the context, these synonyms can help convey a more precise emotion to better express the speaker's mood. So the next time you find yourself ready to "humph" in response to something you don't like, consider using these alternatives to spice up your vocabulary!