US /əˈstaʊndɪŋ/ UK /əˈstaʊndɪŋ/
adj

Meanings

  1. 1
    adj

    surprisingly impressive or shocking

    The team made astounding progress in just one week.

Thesaurus

Synonyms
1 adj · surprisingly impressive or... amazingastonishingstaggeringstunningbreathtakingincrediblestupefyingremarkable
Word family
Derived forms astoundingly
Related forms astoundastonishing

Etymology

Present participle of astound, from Middle English astouned, past participle of astonen, from Old French estoner ('to stun'), from Vulgar Latin extonare ('to thunder out'), from Latin ex- + tonare ('to thunder').

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