Word.ws English Dictionary

dumbfounder

dumbfounder verb: to dumbfound.

Verb

dumbfounder (third-person singular simple present dumbfounders, present participle dumbfoundering, simple past and past participle dumbfoundered)

  1. (transitive) To dumbfound.

Noun

dumbfounder (plural dumbfounders)

  1. Someone or something that dumbfounds.

Forms of dumbfounder

Verb
third-person singular presentdumbfounders
present participledumbfoundering
past participledumbfoundered
pastdumbfoundered
alternative formdumfounder
Noun
pluraldumbfounders

Origin of dumbfounder

Alteration of dumbfound.

From dumbfound + -er.

Words formed from dumbfounder

Questions about dumbfounder

What does dumbfounder mean?
Dumbfounder means to dumbfound.
What part of speech is dumbfounder?
Dumbfounder can be a verb or a noun.
What is the past tense of dumbfounder?
The past tense of dumbfounder is dumbfoundered.

Words near dumbfounder in the dictionary

  1. dumbfluencers
  2. dumbfound
  3. dumbfounded
  4. dumbfoundedly
  5. dumbfoundedness
  6. dumbfounder
  7. dumbfoundered
  8. dumbfoundering
  9. dumbfounderment
  10. dumbfounders
  11. dumbfounding

Source and license

Adapted from Wiktionary: dumbfounder (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

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Cite this entry: “dumbfounder.” Word.ws, https://word.ws/dumbfounder. Based on Wiktionary, CC BY-SA 4.0.