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.
Written and directed by Michael Gallagher, The Leader tells the unbelievable true story of UFO cult leaders Marshall Herff Applewhite (Nelson) and Bonnie Lu Nettles (Farmiga), who inspired hundreds of people to abandon their families, drop out of society, and prepare to evacuate planet Earth. Matt Grobar, Deadline, 30 July 2025 Looking back over the past 10 years, Powell said Firefly's growth is immeasurable — but not unbelievable. Karoline Leonard, Austin American Statesman, 30 July 2025 This unbelievable skiing destination can accommodate 12 people comfortably. Travel + Leisure Editors, Travel + Leisure, 29 July 2025 Mike would make an unbelievable Senator from North Carolina. Anna Commander, MSNBC Newsweek, 28 July 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 Aug. 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
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