1.Definition: far beyond what is usual in magnitude or degree

"The young Mozart's prodigious talents"

Related Adjective(s):exceeding, exceptional, olympian, surpassing

2.Definition: of momentous or ominous significance

"A prodigious vision"

Related Adjective(s):portentous

3.Definition: so great in size or force or extent as to elicit awe

"A prodigious storm"

Related Adjective(s):colossal, stupendous