Hacer is a Spanish verb that means "to do" or "to make." It is an irregular verb, which means its conjugation does not follow standard patterns. Hacer is commonly used in various contexts, such as completing tasks, creating objects, or performing actions. In everyday conversation, you might hear phrases like "Hago la tarea" (I do the homework) or "Haces un pastel" (You make a cake). The verb is essential for expressing actions and is widely used in both spoken and written Spanish. Understanding hacer is crucial for effective communication in the language.