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.
As more time passes, the pop-rock set only continues to prove its unbelievable popularity. Hugh McIntyre, Forbes.com, 10 June 2025 Following the impressive Canada win, Mexico then defeated Panama 2-1, again thanks to a brace by Jimenez, who was in unbelievable form at the time. Ben Verbrugge, MSNBC Newsweek, 7 June 2025 Echo Valley takes some genuinely gripping turns as well as a few unbelievable detours in its journey through Kate’s increasingly complicated life and relationship with her daughter. Lovia Gyarkye, HollywoodReporter, 6 June 2025 This article was originally published on July 13, 2023, but Ethan Hunt (Tom Cruise) had another Mission to pull off with more unbelievable stunts. Keith Phipps, Vulture, 23 May 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 15 Jun. 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!