Definition of astound verb from the Oxford Advanced Learner's Dictionary

 

astound

 verb
verb
BrE BrE//əˈstaʊnd//
 
; NAmE NAmE//əˈstaʊnd//
 
Verb Forms present simple I / you / we / they astound
BrE BrE//əˈstaʊnd//
 
; NAmE NAmE//əˈstaʊnd//
 
he / she / it astounds
BrE BrE//əˈstaʊndz//
 
; NAmE NAmE//əˈstaʊndz//
 
past simple astounded
BrE BrE//əˈstaʊndɪd//
 
; NAmE NAmE//əˈstaʊndɪd//
 
past participle astounded
BrE BrE//əˈstaʊndɪd//
 
; NAmE NAmE//əˈstaʊndɪd//
 
-ing form astounding
BrE BrE//əˈstaʊndɪŋ//
 
; NAmE NAmE//əˈstaʊndɪŋ//
 
Surprise
 
jump to other results
astound somebody to surprise or shock somebody very much synonym astonish His arrogance astounded her. She was astounded by his arrogance. Synonymssurprisestartle amaze stun astonish take somebody aback astoundThese words all mean to make somebody feel surprised.surprise to give somebody the feeling that you get when something happens that you do not expect or do not understand, or something that you do expect does not happen; to make somebody feel surprised:The outcome didn’t surprise me at all.startle to surprise somebody suddenly in a way that slightly shocks or frightens them:Sorry, I didn’t mean to startle you. The explosion startled the horse.amaze to surprise somebody very much:Just the huge size of the place amazed her.stun (rather informal) (often in newspapers) to surprise or shock somebody so much that they cannot think clearly or speakastonish to surprise somebody very much:The news astonished everyone.amaze or astonish?These two words have the same meaning and in most cases you can use either. If you are talking about something that both surprises you and makes you feel ashamed, use astonish:He was astonished by his own stupidity.take somebody aback [usually passive] (especially of something negative) to surprise or shock somebody:We were rather taken aback by her hostile reaction.astound to surprise or shock somebody very much:His arrogance astounded her.Patterns It surprises somebody/​startles somebody/​amazes somebody/​stuns somebody/​astonishes somebody/​takes somebody aback/​astounds somebody to surprise/​startle/​amaze/​stun/​astonish/​astound somebody that… to surprise/​amaze somebody what/​how… to surprise/​startle/​amaze/​stun/​astonish/​astound somebody to know/​find/​learn/​see/​hear… to be surprised/​startled/​stunned into (doing) something See related entries: Surprise Word Origin Middle English (as an adjective in the sense ‘stunned’): from astoned, past participle of obsolete astone ‘stun, stupefy’, from Old French estoner, based on Latin ex- ‘out’ + tonare ‘to thunder’.
See the Oxford Advanced American Dictionary entry: astound