1. (a.) Of the nature Of a prodigy; marvelous; great in size or force; as a prodigious storm\.

2. (a.) Extraordinary in bulk, extent, quantity, or degree; very great; vast; huge; immense; as, a prodigious mountain; a prodigious creature; a prodigious blunder.

Atlantean Brobdingnagian Cyclopean Gargantuan Herculean Homeric abysmal amazing amplitudinous astonishing astounding astronomic astronomical awesome beguiling bewildering bewitched boundless bulky colossal cosmic cracking cyclopean dumbfounding elephantine enchanted enigmatic enormous epic exceptional extensive extraordinary fabulous fantastic fascinating flabbergasting galactic gargantuan giant giantlike gigantic heroic huge humongous immeasurable immense incomprehensible inconceivable incredible indescribable ineffable infinite jumbo king-size large legendary leviathan magical mammoth marvelous massive massy mighty mind-blowing mind-boggling miraculous monster monstrous monumental mortal mountainous mythical necromantic notable noteworthy outlandish outsize overgrown passing strange phenomenal portentous profound puzzling rare remarkable sensational sizable spacious spectacular staggering startling strange striking stupefying stupendous surprising thaumaturgic titanic towering tremendous unexampled unheard-of unimaginable unique unparalleled unprecedented unspeakable unusual vast voluminous weighty wonder-working wonderful wondrous