Synset

so great in size or force or extent as to elicit awe
<adj.all>   freq. cnt.: 9 freq. cnt.: 4 freq. cnt.: 3 freq. cnt.: 2

colossal

prodigious

stupendous

sample sentences

"colossal crumbling ruins of an ancient temple"
"has a colossal nerve"
"a prodigious storm"
"a stupendous field of grass"
"stupendous demand"