"stupendous" in the adjective sense
1. colossal, prodigious, stupendous
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"
Source: WordNet® (An amazing lexical database of English)
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