un·​be·​liev·​able | \ ˌən-bə-ˈlē-və-bəl How to pronounce unbelievable (audio) \

Definition of unbelievable

: too improbable for belief the plot is unreal and unbelievable also : of such a superlative degree as to be hard to believe the destruction was unbelievable made an unbelievable catch in center field

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Other Words from unbelievable

unbelievably \ ˌən-​bə-​ˈlē-​və-​blē How to pronounce unbelievable (audio) \ adverb

Examples of unbelievable in a Sentence

a completely unbelievable story about why there was lipstick on his collar
Recent Examples on the Web Chris Fetter have been unbelievable as far as help and confidence. Evan Petzold, Detroit Free Press, 18 Sep. 2021 The city is so beautiful as to be unbelievable already. Brienne Walsh, Forbes, 15 Sep. 2021 To see a Broadway show again tonight was unbelievable. Chloe Melas, CNN, 3 Sep. 2021 Charlie Wilson, the Gap Band… all of that was unbelievable. Ethan Shanfeld, Variety, 31 Aug. 2021 On the flip side, in those 14 games, Warren was unbelievable. Tony East, Forbes, 29 Aug. 2021 His memory was unbelievable, his attention to detail. BostonGlobe.com, 25 Aug. 2021 Just the interaction between the actors was unbelievable. Mark Olsen, Los Angeles Times, 23 Aug. 2021 Larry was someone who was creative, who had unbelievable instincts of what was funny and how to put the right people together. Rob Turbovsky, Vulture, 26 July 2021

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'unbelievable.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of unbelievable

1548, in the meaning defined above

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Time Traveler for unbelievable

Time Traveler

The first known use of unbelievable was in 1548

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Last Updated

20 Sep 2021

Cite this Entry

“Unbelievable.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/unbelievable. Accessed 25 Sep. 2021.

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More Definitions for unbelievable



English Language Learners Definition of unbelievable

: difficult or impossible to believe
used to describe something that is so good, bad, etc., that it is difficult to believe


un·​be·​liev·​able | \ ˌən-bə-ˈlē-və-bəl How to pronounce unbelievable (audio) \

Kids Definition of unbelievable

1 : too unlikely to be believed an unbelievable excuse
2 : very impressive or amazing an unbelievable catch

Other Words from unbelievable

unbelievably \ -​blē \ adverb unbelievably delicious

More from Merriam-Webster on unbelievable

Nglish: Translation of unbelievable for Spanish Speakers

Britannica English: Translation of unbelievable for Arabic Speakers


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