prodigious

adjectives

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, prodigious, stupendous
is derived from
prodigy
of momentous or ominous significance
"such a portentous...monster raised all my curiosity"- Herman Melville; "a prodigious vision"
portentous, prodigious
is derived from
prodigy
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, olympian, prodigious, surpassing