The phrase "made nerveless" indicates a loss of strength, courage, or resolve. Its antonyms include brave, bold, daring, adventurous, and intrepid. These words denote qualities of fearlessness, confidence, and daring. Other antonyms of "made nerveless" are spirited, plucky, fearless, gallant, dauntless, valiant, and resolute. These adjectives all suggest a sense of resolve and determination. When we say that a person is spirited, we mean that he or she is full of energy, courage, and enthusiasm. Similarly, the word plucky is often used to describe someone who is prepared to face challenges head-on, despite the odds.