Overindulging means to indulge excessively in something, often leading to negative consequences. However, there are numerous synonyms for this word that can help to convey the same meaning more effectively. Some of these words include overconsumption, gluttony, extravagance, excess, immoderation, intemperance, self-gratification, overdoing it, and overeating. These synonyms are useful for describing different types of overindulgence, from food to luxury goods and even to excessive pleasures. Using these synonyms can help to communicate more precisely and clearly, and it also shows a greater mastery of the English language.