1. Performed by or involving an almighty power or agency; supernatural: After suffering in the hospital for several days with a bad heart condition, there seemed to be a miraculous cure of Adam's ailment when the cardiologist told him that he appeared to be normal again.
2. Of the nature of an astoundingly, awe-inspiring situation: Once Ina's friend had adjusted to her new hearing aids, she said it was a miraculous change in her life because she could now hear soft sounds; such as, the purring of her cat and rain falling on the roof of her house.
3. Having or seeming to have the power to work miracles: Dr. Sneed offered miraculous drugs for Sam's illness which actually changed his life from misery to feeling wonderful.