thumbprint

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noun

A print, mark or impression made by a thumb.

“a digital thumbprint”

Similar
fingerprint
UncommonScrabble 19
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Meanings

nounthumbprint (plural thumbprints)

plural thumbprints

  1. A print, mark or impression made by a thumb.
  2. computingSynonym of fingerprint (“identification for a public key”).

    a digital thumbprint

    Synonyms: fingerprint

Synonyms & antonyms

nounSynonym of fingerprint (“identification for a public key”).

Similar
fingerprint

Origin

From thumb + print.

Full word history & related roots →

Translations

Japanese 拇印
  • 拇印 (boin)a print or mark made by a thumb
Swedish tumavtryck
  • tumavtrycka print or mark made by a thumb
Cite this entry
APA

thumbprint. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/thumbprint

MLA

“thumbprint.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/thumbprint. Accessed November 3, 2026.

Chicago

WatkinsX Dictionary, s.v. “thumbprint,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/thumbprint.

Source: thumbprint on Wiktionary, CC BY-SA 4.0.