I. əˈstau̇nd adjective
Etymology: Middle English astouned, astoned, from past participle of astounen, astonen to stun, astound — more at astony
archaic : astounded
dizzy and astound , as sudden ruin yawned around — Sir Walter Scott
II. verb
( -ed/-ing/-s )
Etymology: partly from astound (I) , part back-formation from astounded, from Middle English, alteration of astouned
1. obsolete : stun , stupefy
2. : to stun with bewildered or incredulous wonder : overwhelm with astonishment or amazement
Constance was astounded at her sister's self-control, which entirely passed her comprehension — Arnold Bennett
it was naval disasters or failures that astounded and angered the man in the street — D.W.Brogan
Synonyms: see surprise