When it comes to synonyms for the word "nag", there are plenty of options available. Some common alternatives include "harass", "pester", "chide", "hassle", "hound", "badger", "provoke" and "irritate". Each of these words carries a slightly different connotation, so it's important to choose the right one for the situation at hand. For example, "harass" might be more appropriate when the nagging is repetitive and ongoing, while "chide" could be a good choice for a one-off rebuke. Ultimately, the key is to find a synonym that accurately reflects the tone and intent behind the nagging behavior.