thumbprint

play
noun thumb·print \ˈthəm-ˌprint\

Definition of thumbprint

  1. 1 :  an impression made by the thumb; especially :  a print made by the inside of the first joint

  2. 2 :  something that identifies; especially :  fingerprint 2a

Examples of thumbprint in a Sentence

  1. He left a dirty thumbprint on the page.

Recent Examples of thumbprint from the Web

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'thumbprint.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of thumbprint

1900


THUMBPRINT Defined for English Language Learners

thumbprint

play
noun

Definition of thumbprint for English Language Learners

  • : the pattern of marks made by pressing your thumb on a surface : a fingerprint made by a thumb

Learn More about thumbprint


Seen and Heard

What made you want to look up thumbprint? Please tell us where you read or heard it (including the quote, if possible).

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

WORD OF THE DAY

to fight against or to call in question

Get Word of the Day daily email!

Test Your Vocabulary

Time Traveler Quiz: Which Word Came First?

  • time-traveler-quiz-which-word-came-first
  • Which came first?
Spell It

Can you spell these 10 commonly misspelled words?

TAKE THE QUIZ
Word Winder's CrossWinder

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!