More moaning is often used to describe someone who complains excessively. However, there are several other synonyms that can be used to describe this behavior. One such synonym is "whining," which often connotes a more high-pitched and annoying tone. "Grumbling" is another synonym, which carries a tone of discontent rather than outright complaining. "Bellyaching" is a more informal term, often used in a joking or sarcastic manner. "Griping" is another synonym that implies irritation or annoyance. Ultimately, using synonyms can help to vary one's writing or speech and avoid repetition of the same words.