prodigious vs olympian

prodigious and olympian both are adjectives.

Word	Noun	Adjective	Verb	Adverb
prodigious	No	Yes	No	No
olympian	No	Yes	No	No

As adjectives, prodigious and olympian are synonyms defined as:

prodigious and olympian: far beyond what is usual in magnitude or degree

Other synonyms of prodigious include exceeding, exceptional, surpassing.

prodigious (adjective)	olympian (adjective)
far beyond what is usual in magnitude or degree	far beyond what is usual in magnitude or degree
so great in size or force or extent as to elicit awe	majestic in manner or bearing; superior to mundane matters
of momentous or ominous significance