- Greatly astonish or amaze: she was dumbfounded at the sight that met her eyes [as adjective]: a dumbfounded look on her faceMore example sentences
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• informal flabbergast, floor, knock for six, knock sideways, knock out, knock the stuffing out of, bowl over, blow someone's mind, blow awayastonished, 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• informal flabbergasted, floored, flummoxed, knocked for six, knocked sideways, knocked out, bowled over, blown away, unable to believe one's eyes/earsBritish • informal gobsmacked
- 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.
- More example sentences
- This story has me shaking my head in dumbfoundedness.
- His blank stare revealed his dumbfoundedness, and I knew he had no idea about the meaning of what I had just said.
- Cubans just shrugged when I showed my complete and utter dumbfoundedness at this unnecessary barrier to development and said "este pais" (this country).