Definition of dumbfound
- were dumbfounded at what they saw
the surprise ending will dumbfound even the most seasoned mystery reader
These example sentences are selected automatically from various online news sources to reflect current usage of the word 'dumbfound.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.
First Known Use: 1653See Words from the same year
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a blind with adjustable horizontal slats
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