Brawns refer to muscular strength or power, but there are many synonyms you can use to describe this type of physical prowess. For instance, you could use the term "muscle" to refer to well-developed brawns. Alternatively, you might opt to use the word "power" to describe someone with impressive brawns. Another great synonym to consider is "grit," as this term suggests that the person in question has not only physical strength but also mental toughness and resilience. Other words you might use to describe brawns and all that goes with them include "physique," "brawniness," and "heft".