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
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The drone technology is almost unbelievable.
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Tribune Content Agency, Baltimore Sun, 5 Mar. 2026
Many Iranians were suspended between fear and an almost unbelievable sense of relief.
—Pegah Banihashemi, Mercury News, 5 Mar. 2026
Trusting world-class surgeons and unbelievable nurses.
—Sharareh Drury, Entertainment Weekly, 4 Mar. 2026
Many Iranians were suspended between fear and an almost unbelievable sense of relief.
—Pegah Banihashemi, Chicago Tribune, 3 Mar. 2026
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Tribune Content Agency, Baltimore Sun, 5 Mar. 2026
Many Iranians were suspended between fear and an almost unbelievable sense of relief.
—Pegah Banihashemi, Mercury News, 5 Mar. 2026
Trusting world-class surgeons and unbelievable nurses.
—Sharareh Drury, Entertainment Weekly, 4 Mar. 2026
Many Iranians were suspended between fear and an almost unbelievable sense of relief.
—Pegah Banihashemi, Chicago Tribune, 3 Mar. 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 10 Mar. 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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