Definition of dumbfound in English:



  • Greatly astonish or amaze.

    ‘they were dumbfounded at his popularity’
    • ‘‘Music is important for me,’ she says, probably dumbfounding her detractors in the process.’
    • ‘Her mouth was like a cave as she stood dumbfounded by the array of weird electronic devices, and their sheer size.’
    • ‘Now it was Adam who was dumbfounded as he stared in astonishment at the card in his hands.’
    • ‘What dumbfounds me, though, is when they call me ‘mate’.’
    • ‘The ability of all these top-level singers to deliver whole programmes from memory never ceases to amaze and dumbfound me.’
    • ‘I should say, it's meaningless goop that some poor soul spent a whole lot of time creating in order to dumfound the unwary.’
    • ‘She was dumbfounded at this magical event, and stood there open mouthed for a long time, looking at this strange object in her own hand.’
    • ‘Every now and then my own life does dumbfound me.’
    • ‘On several occasions during a trip to London last week I was dumbfounded by the evidence of this.’
    • ‘We were dumbfounded at this rudeness and I got up and knelt on the clay floor.’
    • ‘For me, it just absolutely dumbfounds me how, as citizens of the United States, we own these parks, we own these national forests.’
    • ‘It still dumbfounds me and many who share an enthusiasm for boating.’
    • ‘I am always dumbfounded by the utter lack of taste displayed in selecting the most popular choices on the jukebox.’
    • ‘I only wanted to thrill him and satisfy him, that's why it dumfounded me so much for him to be so incredibly scared and uncomfortable with it.’
    • ‘We just didn't understand, and I personally was dumfounded.’
    • ‘I know they're going to say that isn't a fact.… but it dumbfounds me.’
    • ‘He puts all his materials and maneuvers in plain sight, almost like the magician who obligingly shows you that there's nothing up his sleeve before he dumbfounds you.’
    • ‘I knew she was a strong woman, not just in battle, but even this showcase dumbfounded me.’
    • ‘You'll dislike this show while watching it, but an hour later you'll be dumbfounded by its cunning.’
    • ‘Jerome was dumbfounded at the double life his longtime chess partner had been leading.’
    astonished, astounded, amazed, staggered, surprised, startled, stunned, confounded, nonplussed, stupefied, dazed, dumbstruck, open-mouthed, agape, speechless, at a loss for words, thunderstruck, goggle-eyed, wide-eyed
    taken aback, thrown, shaken, unnerved, disconcerted, discomposed, bewildered
    flabbergasted, floored, flummoxed, knocked for six, knocked sideways, knocked out, bowled over, blown away, unable to believe one's ears, unable to believe one's eyes
    astonish, astound, amaze, stagger, surprise, startle, stun, confound, stupefy, daze, nonplus
    throw, shake, unnerve, disconcert, discompose, bewilder
    take someone's breath away, take by surprise, take aback, shake up, stop someone in their tracks, strike dumb, leave open-mouthed, leave aghast, catch off balance
    flabbergast, floor, knock for six, knock sideways, knock out, knock the stuffing out of, bowl over, blow someone's mind, blow away
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Mid 17th century: blend of dumb and confound.