adj.
- Of astounding force, volume, degree, or excellence; marvelous.
- Amazingly large or great; huge. See synonyms at enormous.
[From Late Latin stupendus, stunning, gerundive of Latin stupēre, to be stunned.]
stupendously stu·pen'dous·ly adv.stupendousness stu·pen'dous·ness n.
The American Heritage® Dictionary of the English Language, Fourth Edition Copyright © 2007, 2000 by Houghton Mifflin Company. Updated in 2009. Published by Houghton Mifflin Company. All rights reserved.
