stupendous

First attested from 1547, from Late Latin stupendus (“stunning, amazing”), from Latin stupere (“to be stunned”). Compare stupid.

• Rhymes: -ɛndəs

stupendous (comparative more stupendous, superlative most stupendous)

1. Astonishingly great or large; huge; enormous.

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

2. Of stunning excellence or degree; marvelous.

   The renovator created a stupendous new look for our house.

• colossal, enormous, huge, marvelous, prodigious, terrific, tremendous
• See also Thesaurus:gigantic

• stupendously
• stupendousness

• stupid
• stupor

• Random House Webster's Unabridged Electronic Dictionary, 1987-1996.