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Definition of astounding
astounding
/əˈstaʊn.dɪŋ/
as · tound · ing
Adverb:astoundingly
astounding Lexical Profile
CEFR
B2
Grade
8
Tier
2
Usage
Top 10k
Syllables
3
astounding Game Scores & Validity
Scrabble US
Scrabble UK
WWF
Wordle Guess
• adjective
1
Surprisingly impressive or notable; causing great wonder, shock, or amazement.
Example
"The young pianist delivered an astounding performance that left the entire audience in awe."
Synonyms
View all synonyms for astounding Antonyms
View all antonyms for astounding• Rhymes for astounding
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Word Origin & Etymology
Formed from the verb 'astound', which stems from Middle English 'astonen' (to stun or daze), borrowed from Old French 'estoner' and ultimately from Vulgar Latin '*extonare', meaning 'to leave thunderstruck' (from 'ex-' + 'tonare', to thunder).
Cite this Entry
Wordmom. (2026). Definition of Astounding. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/astounding