Hath no fight left is a phrase that denotes a lack of motivation or energy to face challenges. It implies exhaustion, defeat or surrender. Some antonyms for this phrase are optimism, perseverance, and motivation. Optimism refers to a positive attitude towards life, despite the challenges one may face. Perseverance is the ability to keep going, even when things get tough. Motivation is the driving force that spurs one to take action, achieve their goals, or overcome obstacles. These words connote resilience, determination, and strength, which are traits that empower people to emerge victorious in life.