Origin of unbelievable
Related formsun·be·liev·a·bly, adverb
Examples from the Web for unbelievably
She had all the pressure of people in the spotlight and was unbelievably rigorous about keeping it real.
Todd is at his best discussing the unbelievably botched rollout of healthcare.gov.
And also just playing it unbelievably cool in the course of making his decisions.
Unbelievably, Gallaty says that sexuality—unlike race and gender—can be changed.The Hateful Pastor All Too Happy to Be Left Behind When It Comes to Gays|Jay Michaelson|September 6, 2014|DAILY BEAST
The other, benign, face of the bocage was its role as an unbelievably productive larder.
If he had been strangely slow he was now unbelievably swift.Tales of Fishes|Zane Grey
But the sense of flight, unbelievably swift, was present and recognizable, though all else eluded him.
Somehow the new trial was held, somehow the twenty-two sentences were made lighter, unbelievably lighter.Atlantic Narratives|Mary Antin
Now the tremendously important happening left him unmoved, unbelievably indifferent.Poor Man's Rock|Bertrand W. Sinclair
Unbelievably, heaven alone knows why, we are to open at the Palace next Monday.Jane Journeys On|Ruth Comfort Mitchell