stupendous
adj.adj. extremely large, great, or impressive. You use it to describe something that is so big or amazing that it is hard to believe.
adj. extremely large, great, or impressive in scale, size, or quality. Often used to describe achievements, natural phenomena, or physical structures that exceed normal expectations.
The view from the top of the mountain was stupendous.
The athlete's performance was stupendous, breaking three world records in a single afternoon.
The architect's vision for the new cathedral was stupendous, requiring a level of engineering precision that had never been attempted in the region before.
First attested from 1547, from Late Latin stupendus (“stunning, amazing”), from the verb stupeō (“(I) am stunned”). Doublet of stupend (which is obsolete), and related to stupor and stupid.