The term "wimpier" is usually used to describe someone who lacks courage or strength. However, there are many antonyms that can be used to describe individuals who are brave, strong, and confident. Some possible antonyms for "wimpier" include bolder, stronger, braver, tougher, more resilient, resolute, determined, and fearless. These words all denote a sense of inner strength, fortitude, and courage, and stand in stark contrast to the idea of someone who is wimpier or more timid. By using these antonyms in place of "wimpier", you can convey a sense of strength and confidence that will inspire and encourage others to become even more courageous and resilient themselves.