Pro-dĭg'ious, a.
(-dĭj'us), a. [Lat. prodigiosus, fr. prodigium, a prodigy; It. & Sp. prodigioso, Fr. prodigieux.]
Sense 1. Of the nature of a prodigy; marvelous; portentous.
It is prodigious to have thunder in a clear sky. Browne.
Sense 2. Very great; huge; enormous in size, quantity, extent, or the like; as, a mountain of prodigious size or altitude; a prodigious mass or quantity of water; an ocean or plain of prodigious extent.
Much I have heard Of thy prodigious might, and feats performed. Milton.
Synonyms— Huge; enormous; monstrous; portentous; marvelous; amazing; astonishing; wonderful; extraordinary.