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 unbelievably (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

Ambrose gave us the keys to an unbelievable and unapologetic style scene. Maiya Carmichael, Essence, "ESSENCE Fashion House NYC: June Ambrose On The Art Of Unapologetic Style," 7 Sep. 2019 Jalen and James have been unbelievable all summer, and Akok is starting to express himself, show how much he could be used on offensive end. Dom Amore, courant.com, "UConn men: Christian Vital, Huskies ‘on the same page’ as final AAC season approaches," 30 Aug. 2019 What Andrew gave to this city and to this organization is truly. unbelievable. Matthew Vantryon, Indianapolis Star, "Here's what Colts players thought of fans booing Andrew Luck: 'It's (expletive).'," 26 Aug. 2019 The following examples, like Tartaro’s, might sound unbelievable. Brian Barrett, WIRED, "A Brief History of Vanity License Plates Gone Wrong," 18 Aug. 2019 Mahomes was unbelievable in his first full season as a starter after essentially a redshirt rookie year behind Alex Smith. Brandon Niles, SI.com, "Fantasy Football 2019: Quarterback Position Primer," 5 Aug. 2019 Having addressed the cost inflation issue in textbook publishing, which only accounts for 1 or 2 percent of total student spend, cost inflation in higher education in America over the past 30 years has been unbelievable. Eric Johnson, Vox, "“The $300 textbook is dead,” says the CEO of textbook maker Pearson," 2 Aug. 2019 How legislators in one of the most progressive states in the country could have ever voted to decrease the pay of 350,000 of their constituents is unbelievable. BostonGlobe.com, "Should Massachusetts restore the requirement of time-and-a-half pay for retail workers on Sundays and holidays?," 18 July 2019 This massive, two-day sale on Amazon is jam-packed with unbelievable deals. CNN Money, "The best clothing and shoes Prime Day has to offer," 15 July 2019

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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Statistics for unbelievable

Last Updated

12 Sep 2019

Look-up Popularity

Time Traveler for unbelievable

The first known use of unbelievable was in 1548

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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

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Comments on unbelievable

What made you want to look up unbelievable? Please tell us where you read or heard it (including the quote, if possible).


miscellaneous remnants or debris

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