dumbfound Hear it!

dumbfound definition

dumb·found or dumfound dum′·found′ (dum′fo̵und′, dum fo̵und′)

transitive verb

to make speechless by shocking; amaze; astonish

Etymology: dumb + (con)found

Webster's New World College Dictionary Copyright © 2005 by Wiley Publishing, Inc., Cleveland, Ohio.
Used by arrangement with John Wiley & Sons, Inc.

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