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unbelievable

[ uhn-bi-lee-vuh-buh l ]

/ ˌʌn bɪˈli və bəl /

SEE SYNONYMS FOR unbelievable ON THESAURUS.COM

adjective

too dubious or improbable to be believed: an unbelievable excuse.

so remarkable as to strain credulity; extraordinary: the unbelievable fury of the storm; an unbelievable athlete.

Origin of unbelievable

1540–50; un-¹ + believable

OTHER WORDS FROM unbelievable

un·be·liev·a·bly, adverb

Words nearby unbelievable

unbeaten, unbecoming, unbegotten, unbeknown, unbelief, unbelievable, unbelievably, unbeliever, unbelieving, unbelt, unbend

Example sentences from the Web for unbelievable

Manson seemed to breathe soundlessly, to walk with unbelievable silence over creaky floors.

Gay Talese on Charlie Manson’s Home on the Range |Gay Talese |October 31, 2014 |DAILY BEAST
And though the theology of Left Behind is strange and unbelievable, it also could, in the right hands, inspire a hell of a story.

‘Left Behind’ Review: Nicolas Cage’s Bible Movie Is God-Awful |Matthew Paul Turner |October 3, 2014 |DAILY BEAST
“That is an unbelievable amount of money—as in, I literally did not believe that,” Oliver said.

‘Last Week Tonight’ Does Real Journalism, No Matter What John Oliver Says |Asawin Suebsaeng |September 29, 2014 |DAILY BEAST
What began as an apparent accident ended in unbelievable horror.

The Resilient City: New York After 9/11 |John Avlon |September 11, 2014 |DAILY BEAST

“I personally think that his performance is unbelievable,” says Haze.

James Franco and Scott Haze on 'The Sound and the Fury' and Gawker 'Outing' Them As A 'Couple' |Marlow Stern |September 6, 2014 |DAILY BEAST
And still the giant Cossack, with herculean strength and unbelievable prowess, was fighting his assailants.

The Boy Allies with the Cossacks |Clair W. Hayes
In less than five minutes they were off scanning their papers for the unbelievable news.

Anecdotes of the Great War |Carleton Britton Case
The whole affair had begun and finished with unbelievable swiftness.

The Land of Footprints |Stewart Edward White
But before matters reached that unbelievable pitch, O'Day, owner of the 'Palace,' was killed in a shooting fracas.

Bert Wilson on the Gridiron |J. W. Duffield
The dump truck stopped and Elvin saw the unbelievable—gleaming heaps of gold shoveled like gravel into the back of the vehicle.

Adolescents Only |Irving E. Cox

British Dictionary definitions for unbelievable

unbelievable

/ (ˌʌnbɪˈliːvəbəl) /

adjective

unable to be believed; incredible or astonishing

Derived forms of unbelievable

unbelievability or unbelievableness, noun