Definition of dumbfound in English:


Syllabification: dumb·found
Pronunciation: /ˈdəmˌfound
(also dumfound)


[with object] (usually be dumbfounded)
Greatly astonish or amaze: they were dumbfounded at his popularity
More example sentences
  • The ability of all these top-level singers to deliver whole programmes from memory never ceases to amaze and dumbfound me.
  • Now it was Adam who was dumbfounded as he stared in astonishment at the card in his hands.
  • We just didn't understand, and I personally was dumfounded.
astonish, astound, amaze, stagger, surprise, startle, stun, confound, stupefy, daze, take aback, stop someone in their tracks, strike dumb, leave open-mouthed, leave aghast
informal flabbergast, floor, bowl over
astonished, astounded, amazed, staggered, surprised, startled, stunned, confounded, nonplussed, stupefied, dazed, dumbstruck, open-mouthed, speechless, thunderstruck;
taken aback, disconcerted
informal flabbergasted, flummoxed, bowled over, blown away, floored


mid 17th century: blend of dumb and confound.

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