thumbprint
Americannoun
noun
Etymology
Origin of thumbprint
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
The system's biometric fingerprint process could not accommodate someone like him, as it could not capture his scarred thumbprint or the prints of the other two scarred fingers.
From BBC ● Apr. 16, 2026
These versions are also much larger: while an O’Ryan’s potato is about the size of a thumbprint, See’s can stretch up to three inches long.
From Salon ● Mar. 17, 2026
In Hammani’s retelling, he relented after four days, applying his thumbprint to a written confession, which he wasn’t allowed to read.
From The Wall Street Journal ● Dec. 29, 2025
Kid Soul: Put a thumbprint on your time.
From Los Angeles Times ● Dec. 10, 2025
Up close it was a strange, crude-looking thing, its head a stump of rounded clay, its face a smeared thumbprint.
From "Miss Peregrine's Home for Peculiar Children" by Ransom Riggs
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Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.