The crossword solution for the term ETATS UNIS is a four-letter phrase meaning United States. The United States of America is a federal republic composed of 50 states, a federal district, five major self-governing territories, and various possessions. It is one of the world's most ethnically diverse and multicultural nations, the product of large-scale immigration from many countries. The U.S. economy is the world's largest national economy, with an estimated 2019 gross domestic product (GDP) of $21.44 trillion.