/ mɪˈrækjələs; NAmE / adjective
like a miracle ; completely unexpected and very lucky
SYN extraordinary , phenomenal :
miraculous powers of healing
She's made a miraculous recovery.
► mi·racu·lous·ly adverb :
They miraculously survived the plane crash.
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WORD ORIGIN
late Middle English : from French miraculeux or medieval Latin miraculosus , from Latin miraculum object of wonder, from mirari to wonder, from mirus wonderful.