In Spanish, the word for Be is Ser. This word often comes up when talking about being & changes, activities & movements. It can be used as verb. It is the 7th most commonly used word in Spanish, classified as a A1 word. You can listen to their pronunciations, and you can also see example sentences for context below. Download our app to practice the 3000 most common Spanish words, including this one, with over 60,000 example sentences, pronunciations, and various practice types.