astounding

1 of 2

adjective

as·​tound·​ing ə-ˈstau̇n-diŋ 

: causing astonishment or amazement

an astounding revelation

astoundingly

ə-ˈstau̇n-diŋ-lē 

adverb

astounding

2 of 2

present participle of astound entry 1

Synonyms of astounding

Adjective

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

Examples of astounding in a Sentence

Adjective

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

Adjective

The absolutely astounding headlights somehow emanate from jewellike strips that run across the nose of the vehicle. — Marco Della Cava, Robb Report, 24 Aug. 2026

For the first 10 months of fiscal 2026, Washington’s carrying costs grew an astounding 14%, from $846 to $963 billion versus the same period in FY 2025, far and away the biggest jump of any expense line item. — Shawn Tully, Fortune, 24 Aug. 2026

Prioritize consistency over wins The Canucks played just about 4,000 five-on-five minutes last season and spent an astounding 1,750 minutes trailing. — Thomas Drance, New York Times, 21 Aug. 2026

Among the highlights are glimpses of Montana’s Glacier National Park, which is well worth a stop for a couple of days thanks to its astounding wildlife, mountains, and glaciers. — Everett Potter, Forbes.com, 18 Aug. 2026

Word History

Etymology

Adjective

from present participle of astound entry 1

First Known Use

Adjective

1590, in the meaning defined above

Rhymes for astounding

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