unbelievable

adjective

un·​be·​liev·​able ˌən-bə-ˈlē-və-bəl How to pronounce unbelievable (audio)
: 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
unbelievably adverb

Examples of unbelievable in a Sentence

a completely unbelievable story about why there was lipstick on his collar
Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Attending ceremonies for all the awards the film has been nominated for this season—from the Golden Globes, to the SAG Awards last night—has been another unbelievable accomplishment for the 23-year-old. Christian Allaire, Vogue, 24 Feb. 2025 Another reason that Ukraine had been ruled out as a possible perpetrator was the unbelievable political risk: a country defending itself from invasion and desperately reliant on foreign military aid could hardly afford to blow up the energy infrastructure of one of its primary Western backers. Joshua Yaffa, The New Yorker, 24 Feb. 2025 The commitment, the investment that all of these teams have displayed every night, in my mind, has been an unbelievable celebration of hockey. Fluto Shinzawa, The Athletic, 21 Feb. 2025 Taking on people with unbelievable wealth, in a corrupt political system where people like Elon Musk and others will threaten any Republican or any Democrat who fights for working people, with massive amounts of money in a primary, is difficult. Reid J. Epstein, New York Times, 21 Feb. 2025 See All Example Sentences for unbelievable

Word History

First Known Use

1548, in the meaning defined above

Time Traveler
The first known use of unbelievable was in 1548

Browse Nearby Words

Cite this Entry

“Unbelievable.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/unbelievable. Accessed 4 Mar. 2025.

Kids Definition

unbelievable

adjective
un·​be·​liev·​able ˌən-bə-ˈlē-və-bəl How to pronounce unbelievable (audio)
1
: too unlikely for belief
an unbelievable story
2
: very significant or impressive
made an unbelievable catch in center field
unbelievably adverb

More from Merriam-Webster on unbelievable

Last Updated: - Updated example sentences
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!