Home Help Word English Spanish French Russian German Italian Chinese (Trad.) Chinese (Simpl.) Portuguese Arabic Turkish Greek » Definition of " Marvelous " in English English Dictionary Results Marvelous Exciting wonder or surprise; astonishing; wonderful. n. Marvelous Partaking of the character of miracle, or supernatural power; incredible. n. Marvelously In a marvelous manner; wonderfully; strangely. adv. Marvelousness The quality or state of being marvelous; wonderfulness; strangeness. n.