fingerprint

noun

fin·​ger·​print ˈfiŋ-gər-ˌprint 

1

: the impression of a fingertip on any surface

also : an ink impression of the lines upon the fingertip taken for the purpose of identification

2

: something that identifies: such as

a

: a trait, trace, or characteristic revealing origin or responsibility

b

: analytical evidence (such as a spectrogram) that characterizes an object or substance

especially : the chromatogram or electrophoretogram obtained by cleaving a protein by enzymatic action and subjecting the resulting collection of peptides to two-dimensional chromatography or electrophoresis

c

: the base-pair pattern in an individual's DNA obtained by DNA fingerprinting

fingerprint transitive verb

Illustration of fingerprint

• 1 arch
• 2 loop
• 3 whorl
• 4 composite

Synonyms of fingerprint

• characteristic
• feature
• trait
• quality
• attribute
• attribution

Examples of fingerprint in a Sentence

Detectives found his fingerprints all over the gun.

Everyone has a unique fingerprint.

Recent Examples on the Web

The composition of this fingerprint is different from the mixture of chemicals someone was initially exposed to, as some PFAS accumulate in blood to a greater extent than others. —Carrie McDonough, The Conversation, 29 May 2026

Fitzpatrick, who had his second stint with the Dolphins last season after playing six years with the Pittsburgh Steelers, already left his fingerprints on Trader’s growth in 2025. —David Furones, Sun Sentinel, 29 May 2026

Dawson remembers how former Texas Tech star Wes Welker’s fingerprints altered Mike Leach’s Air Raid offense. —Bruce Feldman, New York Times, 28 May 2026

The case, which became infamous in Memphis, gained national attention leading up to the execution as Carruthers fought for testing on forensic evidence and fingerprints that his attorneys argue could exonerate him. —Amanda Lee Myers, USA Today, 28 May 2026

Word History

First Known Use

1737, in the meaning defined at sense 1

Rhymes for fingerprint

• mezzotint
• overprint
• peppermint
• blueprint
• footprint
• imprint
• misprint
• newsprint
• nonprint
• preprint
• reprint
• clint

Kids Definition

fingerprint

noun

fin·​ger·​print ˈfiŋ-gər-ˌprint 

: the pattern of marks made by pressing the tip of a finger on a surface

especially : a pattern of marks in ink of the lines on the tip of a finger taken for the purpose of identification

fingerprint verb

fingerprinting

-ˌprin-tiŋ

noun

Medical Definition

fingerprint

1 of 2 noun

fin·​ger·​print -ˌprint 

1

: the impression of a fingertip on any surface

especially : an ink impression of the lines on the fingertip taken for purpose of identification

2

: analytical evidence (as a spectrogram) that characterizes an object or substance

especially : the chromatogram or electrophoretogram obtained by cleaving a protein by enzymatic action and subjecting the resulting collection of peptides to two-dimensional chromatography or electrophoresis compare dna fingerprinting

fingerprint

2 of 2 transitive verb

: to analyze (as spectrographically or chromatographically) in order to determine uniquely the identifying characteristics, origin, or constitution of

each protein was fingerprinted

fingerprinting noun

Legal Definition

fingerprint

noun

fin·​ger·​print

: the impression of a fingertip on any surface

also : an ink impression of the lines upon the fingertip taken for the purpose of identification (as during the booking procedure following an arrest) see also dna fingerprinting

fingerprint transitive verb

fingerprinting noun