prodigious

(s) so great in size or force or extent as to elicit awe
- colossal crumbling ruins of an ancient temple
- has a colossal nerve
- a prodigious storm
- a stupendous field of grass
- stupendous demand
colossal, stupendous,
(s) of momentous or ominous significance
- "such a portentous...monster raised all my curiosity"- Herman Melville
- a prodigious vision
portentous,
(s) far beyond what is usual in magnitude or degree
- a night of exceeding darkness
- an exceptional memory
- olympian efforts to save the city from bankruptcy
- the young Mozart's prodigious talents
exceeding, exceptional, surpassing, olympian,

colossal stupendous portentous exceeding exceptional surpassing olympian

prodigiously