The phrase "all born days" indicates the entirety of one's life. Antonyms for this phrase could include specific time frames such as "a single moment," "a brief period," or "a fleeting experience." It could also be represented by the idea of stagnation or a lack of growth, such as "stagnant existence," "lifelessness," or "drudgery." Antonyms for "all born days" could also involve an absence of life or vitality, such as "death," "non-existence," or "never having lived at all." These antonyms highlight the importance of living fully and embracing the opportunities that life presents.