stupendous

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 Doublet of stupend (which is obsolete), and related to stupor and stupid.

• (General American) IPA^(key): /stuˈpɛndəs/
• (Received Pronunciation) IPA^(key): /stjuˈpɛndəs/

• Audio (Southern England)

  (file)

• 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:large

• stupendously
• stupendousness

• stupid
• stupor

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