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

After the 2023 complaint, Benton wasn’t interviewed by House leadership for an astounding three months, by which point the staffer had already quit her job, according to Tribune reporting. — The Editorial Board, Chicago Tribune, 20 July 2026

Shoppers who’ve experienced common issues like bunions and hammertoes say the difference is astounding. — Tanya Sharma, PEOPLE, 19 July 2026

According to a post on X, first spotted by The Guardian, a user in India named Bharath got hit with a particularly astounding bill. — Will McCurdy, PC Magazine, 18 July 2026

But, in the middle of Obsession’s epic, $400 million box office run, a rival studio offered Barker an astounding $10 million deal for his next original project, sight unseen. — Mia Galuppo, HollywoodReporter, 17 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