When it comes to outerwear, a classic peacoat is a wardrobe essential. However, if you're tired of using the same word every time you describe it, there are plenty of options to choose from. One synonym for peacoat is a navy coat, which refers to its original usage as a uniform for sailors in the navy. Another alternative is a double-breasted coat, which describes the buttoned front of the peacoat. Additionally, a wool coat is another synonym, as the peacoat is typically made from a heavy wool material. Finally, a military jacket can be used to describe a peacoat, as it was originally intended for use in the military. No matter what synonym you choose, a well-made peacoat is always a smart and stylish choice for chilly weather.