The antonyms for the word "neurodegenerative" are words that represent good health and vitality rather than degeneration or damage to the nervous system. Some possible antonyms include "healthy," "vital," "energetic," "robust," "strong," "resilient," "vibrant," "thriving," "flourishing," "unimpaired," and "functioning." These words all convey a sense of well-being and positive functioning, whereas "neurodegenerative" implies a gradual loss of cognitive and physical abilities. By focusing on the antonyms of "neurodegenerative," we can highlight the importance of maintaining a healthy lifestyle and taking proactive steps to prevent or delay the onset of degenerative diseases.