The Collaborative International Dictionary
dumbfounding
dumbfounding \dumbfounding\ adj. causing astonishment. [Narrower terms: incredible (vs. credible), unbelievable]
Syn: astonishing, astounding, dumfounding.
Wiktionary
dumbfounding
alt. (present participle of dumbfound English) vb. (present participle of dumbfound English)
WordNet
dumbfounding
adj. bewildering or striking dumb with wonder [syn: astounding, dumfounding]
Usage examples of "dumbfounding".
Such facts are simply dumbfounding for anyone who will bestow sufficient thought upon them, for these are suns, though they may be small ones.
It was dumbfounding, beyond belief, there was simply no physical way for the man to have arrived ahead of him.
Where he expected me to fall over in a bloody mess I still stood unharmed, quite dumbfounding him, until I compelled him to take a nap next his friend.