Booboo, a commonly used term to describe an injury or a mistake, has a variety of synonyms that one can choose from. Some popular ones include "ouchie," "boo-boo," "owie," "scratch," and "hurt." These terms are not only used by children but also adults when expressing discomfort and pain. Other words that can be used in place of booboo include "blunder," "faux pas," "error," "slip-up," and "mishap." Using a variety of synonyms keeps communication fresh and engaging. Depending on the situation, any of these words can be used to describe a minor injury or a mistake.