Fainthearts, also known as cowards, are people who lack bravery and courage to face challenging situations. The antonyms for fainthearts are brave, courageous, confident, strong-willed, determined, fearless, and resolute. These words describe individuals who are bold enough to confront difficulties, take risks, and stand up for what they believe in. Bravery is not the absence of fear, but the strength to overcome it, and these antonyms encapsulate this idea. Leaders and heroes are often associated with these traits, and great achievements and progress are made possible through their unwavering conviction and bravery.