stupendous

adj

Etymology: 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 Doublet of stupend (which is obsolete), and related to stupor and stupid.

1. Astonishingly great or large; huge; enormous.

   “One cannot appreciate how stupendous the Matterhorn is without seeing it.”

   “The entrance to Fonthill—that truly cloud-capt palace, so fantastic and so transitory—was by two stupendous doors, which seemed to defy the strength of giants.”

2. Of stunning excellence or degree; marvelous.

   “The renovator created a stupendous new look for our house.”