Astonishingly great or large; huge; enormous.
One cannot appreciate how stupendous the Matterhorn is without seeing it.
Of stunning excellence or degree; marvelous.
The renovator created a stupendous new look for our house.
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 Doublet of stupend (which is obsolete), and related to stupor and stupid.
Select a language to see translations