astounding

adjective

as·​tound·​ing ə-ˈstau̇n-diŋ 

: causing astonishment or amazement

an astounding revelation

astoundingly

ə-ˈstau̇n-diŋ-lē 

adverb

Synonyms of astounding

• amazing
• surprising
• startling
• stunning
• shocking
• astonishing

Examples of astounding in a Sentence

He ate an astounding amount of food.

the astounding sight of their cat returning home after having been missing for two years

Recent Examples on the Web

Jagger wrote the lyrics—and that astounding opening riff—while making a movie in Australia. — René Ostberg, Encyclopedia Britannica, 8 July 2026

While this is nothing less than astounding, longer lifespans hold implications for business leaders' retirement planning. — Christopher Poch, Forbes.com, 8 July 2026

Paramount has also released an astounding first trailer and first-look images from the film, which can be seen below. — Joe Otterson, Variety, 7 July 2026

Since then, Sheridan has created an astounding number of hit series for Paramount, including the Yellowstone prequels 1883 and 1923, as well as the crime dramas Mayor of Kingstown and Tulsa King. — Brianna Zigler, Entertainment Weekly, 7 July 2026

Word History

Etymology

from present participle of astound entry 1

First Known Use

1590, in the meaning defined above

Rhymes for astounding

• abounding
• compounding
• confounding
• expounding
• foregrounding
• impounding
• propounding
• rebounding
• resounding
• surrounding
• bounding
• founding