Dictionary.com

dumbfounded

or dum·found·ed

[ duhm-foun-did, duhm-foun- ]
/ dʌmˈfaʊn dɪd, ˈdʌmˌfaʊn- /
Save This Word!

adjective
speechless with amazement; astonished or showing astonishment: I smiled at the dumbfounded look on their faces as their eyes widened and their mouths fell slack.
verb
the simple past tense and past participle of dumbfound.
QUIZ
CAN YOU ANSWER THESE COMMON GRAMMAR DEBATES?
There are grammar debates that never die; and the ones highlighted in the questions in this quiz are sure to rile everyone up once again. Do you know how to answer the questions that cause some of the greatest grammar debates?
Question 1 of 7
Which sentence is correct?

Origin of dumbfounded

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

How to use dumbfounded in a sentence

FEEDBACK