Difference between Unbelievable and Dumbfounding

UNBELIEVABLE vs DUMBFOUNDING: ADJECTIVE

Dumfounding, Marvellous, Tall, Unlikely, Undreamed, Unconvincing, Unimagined, Undreamt, Dumbfounding, Implausible, Improbable, Fabulous, Marvelous, Astounding, Incredible

Dumfounding, Marvellous, Tall, Unlikely, Undreamed, Unconvincing, Unimagined, Undreamt, Dumbfounding, Implausible, Improbable, Fabulous, Marvelous, Astounding, Incredible

The facts in this case are almost unbelievable.
Completely unbelievable premise, not in a good way.
It means that she got her unbelievable orgasm.
Unbelievable that any service cannot cope with GRs.
Unbelievable answer and zero empathy tonsolve the situation.
And we had an unbelievable amount of leftovers.
Today it all seems rather ridiculous and unbelievable.
Your satisfaction is our top priority and we want you to feel that you got an unbelievable deal at an unbelievable price.
And we would find like unbelievable points, unbelievable points.
Of all the unbelievable suppositions, this seems to be the most unbelievable.

Not yet accustomed to dumbfounding defeat, he was unable to maintain rigid control over his emotions.
The wall was coming down, dumbfounding all the experts, including of course myself.
Her confidence surprised me but it was her words that were dumbfounding.
Off Lease Exclusive is persnickety to furnish our customers an dumbfounding option of victimised cars for understanding!
The fact that they base our scores on such a moronic system is dumbfounding.
In fact, the recommendation is dumbfounding and a potential embarrassment to Duke.
And I do not know whether that is dumbfounding or just heartbreaking.
That dumbfounding incident marked his inevitable demise from the league.
With medical, scientific and technological advances, this notion seems dumbfounding.
It was dumbfounding, exhilarating, intense, momentous and very spooky.