unbelievable
adjective
un·be·liev·able
ˌən-bə-ˈlē-və-bəl 
: 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
Examples of unbelievable in a Sentence
a completely unbelievable story about why there was lipstick on his collar
Recent Examples on the Web
Videos and pictures showed fans cheering, clapping, hugging and reveling in the unbelievable moment when the Knicks won by one point after a 29-point deficit.
—
Andrew Ramos, CBS News, 11 June 2026
The other thing family brings is a level of commitment that’s unbelievable.
—Dave Knox, Forbes.com, 11 June 2026
That’s just unbelievable actually, right?
—Quanta Magazine, 11 June 2026
Voters in focus groups found that unbelievable and disqualifying for a gubernatorial candidate just four years later.
—Garry South, Mercury News, 11 June 2026
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Andrew Ramos, CBS News, 11 June 2026
The other thing family brings is a level of commitment that’s unbelievable.
—Dave Knox, Forbes.com, 11 June 2026
That’s just unbelievable actually, right?
—Quanta Magazine, 11 June 2026
Voters in focus groups found that unbelievable and disqualifying for a gubernatorial candidate just four years later.
—Garry South, Mercury News, 11 June 2026
See All Example Sentences for unbelievable
Cite this Entry
“Unbelievable.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/unbelievable. Accessed 19 Jun. 2026.
Copy CitationKids Definition
unbelievable
adjective
un·be·liev·able
ˌən-bə-ˈlē-və-bəl
1
: too unlikely for belief
an unbelievable story
2
: very significant or impressive
made an unbelievable catch in center field
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