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Glite Dictionary
dumbfounding

dumbfounding

1 7.5
Causing someone to be unable to speak because they are very surprised
  • adjective
  • /ˈdʌmˌfaʊndɪŋ/
: asombroso
  • The magician's final trick was so dumbfounding that the audience sat in silence, unable to believe their eyes.

It's dumbfounding that we can be this myopic.

Examples

  • After hearing the shocking news, she felt dumbfounding disbelief wash over her.

  • And to top it all off, I had the dumbfounding discovery I don't know how to dance.

    Blog text (13)

  • It's dumbfounding that we can be this myopic.

    Rich Roll

  • OK, So what really happened is dumbfounding almost is that a so-called amicrine cell.

  • But I didn't move because, more dumbfounding to me than the accident itself, my father acted as though it weren't happening.

    Fiction book (1990)

  • His dumbfounding ability to solve complex puzzles left everyone speechless.

Synonyms

astounding
vsdumbfounding
92 4.1

So surprising and impressive that you feel amazed

causes speechless amazement rather than only astonishment
mind-boggling
vsdumbfounding
  • Informal
36 7.0

Very surprising or hard to understand

triggers speechless wonder more than just strong surprise or confusion
boggling
vsdumbfounding
34 7.5

Very surprising and hard to understand because it is unusual

produces speechless amazement rather than mere unusual surprise
baffling
vsdumbfounding
30 6.4

Hard to understand and causing confusion

leads to stunned silence through wonder rather than mere puzzlement
perplexing
vsdumbfounding
19 6.7

Making people feel confused because it is hard to understand

overwhelms by creating speechless amazement instead of mere confusion
bewildering
vsdumbfounding
15 5.2

Causing a lot of confusion and making things hard to understand

also causes sudden speechless astonishment rather than only confusion
mystifying
vsdumbfounding
10 7.3

Causing someone to feel confused

tends to stun listeners into silence rather than just puzzle them
dumfounding
vsdumbfounding
1 8.4

So surprising that you cannot speak

is the same but spelled with a b after m

Antonyms

predictable
181 2.5

Easy to guess what will happen

unremarkable
20 3.5

Being ordinary and not interesting

How Astonishing

staggering
97 5.3
dumbfounding
1 7.5
astonishing
135 3.4
remarkable
591 2.8
surprising
489 1.8

Surface Forms

dumbfounding positive

Morphology

dumbfounding = dumbfound (transparent) = dumbfound + ing

The adjective is directly formed from the verb 'dumbfound' with the regular '-ing' adjectival/participial form, so its meaning ('astonishing') is clearly derived.

Etymology

Dumbfounding comes from dumb ('silent') and an old use of found meaning 'to make', as in confound. That's why something dumbfounding 'makes people silent' and leaves them speechless with surprise.