Prodigious

Part of speech: adjective (a.)

1. Of the nature of a prodigy; marvelous; wonderful; portentous. [Obs. or R.] Spenser. It is prodigious to have thunder in a clear sky. Sir T. Browne.

2. Extraordinary in bulk, extent, quantity, or degree; very great; vast; huge; immense; as, a prodigious mountain; a prodigious creature; a prodigious blunder. "Prodigious might." Milton.

Synonyms: Huge; enormous; monstrous; portentous; marvelous; amazing; astonishing; extraordinary.