English Reference

Word

signature

Phoneticssig·na·ture, stress on the first syllable

US/ˈsɪɡnətʃɝ/

UK/sˈɪɡnɪtʃɐ/

Definitions

01handwritten name

B1 · Intermediate Countable noun

n. your name written in your own special way to sign a document.

n. a person's name written by their own hand, used as a formal mark of identification or authorization.

“Please put your signature at the bottom of the contract.”

“The bank teller carefully compared the signature on the cheque with the one they had on file to prevent fraud.”

Synonyms

02distinctive feature

B2 · Upper Intermediate Countable noun

n. a special style or quality that is typical of a particular person or thing.

n. a distinctive characteristic or pattern that identifies a particular person, group, or thing.

“The chef's signature dish is a spicy seafood pasta.”

“The director's signature style involves long, unbroken shots and a very muted colour palette.”

03musical notation

B2 · Upper Intermediate Countable noun Music Technical

n. symbols at the start of a piece of music that show the key or the rhythm.

n. signs placed on the stave to indicate the key (key signature) or the meter (time signature) of a composition.

“The piece is difficult to play because the time signature changes in every bar.”

“The composer chose a complex key signature with five sharps, creating a bright and energetic tonal quality.”

04digital verification

C1 · Advanced Countable noun Computing Technical

n. electronic data added to a message to prove who sent it.

n. a digital code or pattern used to authenticate the identity of a sender or the integrity of a file.

“The software won't install because it doesn't have a valid digital signature.”

“The antivirus program scans for specific file signatures to identify and isolate malicious code before it can execute.”

05email footer

B1 · Intermediate Countable noun Computing

n. the text at the end of an email that has your contact details.

n. a block of text automatically appended to the end of an electronic message, typically containing the sender's name and contact information.

“I forgot to update my phone number in my email signature.”

“The company policy requires all employees to include a standard legal disclaimer in their professional email signatures.”

Synonyms

06characteristic

B2 · Upper Intermediate

adj. describing something that is a person's most famous or typical feature.

adj. serving as a distinctive or identifying characteristic of a person or thing.

“She finished the performance with her signature move.”

“The architect's signature curves are visible in almost every building he designed during that decade.”

Usage

usually placed before the noun

Synonyms

Collocations

Common phrases and expressions where native English speakers use the word “signature” in context.

Verb

01. affix your signature to the document

“Please affix your signature to the document in the presence of a notary.”

verb + possessive + noun + prep + noun

02. collect signatures for a petition

“The activists spent the afternoon collecting signatures for a petition against the new highway.”

verb + noun + prep + noun

03. forge a signature

“The accountant was arrested after he tried to forge his boss's signature on a check.”

verb + noun

Adjective

04. illegible signature

“The doctor's illegible signature made it difficult for the pharmacist to read the prescription.”

adj + noun

05. signature dish

“The chef's signature dish is a spicy seafood paella that attracts foodies from all over the city.”

adj + noun

Noun

06. authenticity of the signature

“A handwriting expert was called to verify the authenticity of the signature on the ancient manuscript.”

noun + of + noun

07. signature tune

“As soon as the signature tune started, everyone knew their favorite radio show was beginning.”

noun + noun

Real-World Examples

“One problem, though, was that Peeters was well known for signing her works, and the Oslo piece had no signature.”
The Guardian 7 Aug 2026
“Chelsea told interested parties they had until 17:00 BST on Friday to make an offer for the 25-year-old - with them wanting £120m for his signature.”
BBC News 16 Aug 2026

Etymology

Borrowed from Middle French signature, or from Medieval Latin signātūra, future active periphrastic of verb signāre from signum (“sign”), + -tūra, feminine of -tūrus, future active periphrastic suffix. Displaced native Old English handseten (literally “hand setting”).

Etymology adapted from Wiktionary, available under CC BY-SA 4.0.

Word family

NOUN

Related words

Domains

ComputingInternetMathematicsMedicineMusicPrinting

This entry

Exam level
CambridgeCambridgeCambridge English QualificationsThe exam suite from Cambridge University Press & Assessment, from A1 Movers up to C2 Proficiency. The benchmark names double as CEFR labels.B2 FirstIELTSIELTSInternational English Language Testing SystemThe 0–9 band test co-owned by the British Council, IDP, and Cambridge. Used for university entry, work, and migration.5.5–6.5TOEFL iBTTOEFL iBTTest of English as a Foreign Language, Internet-Based TestETS's academic English test, the standard route for US university admissions. Scored 0–120, with a 1–6 scale since 2026.1–6 scale: 4.0–4.572–94TOEICTOEICTest of English for International CommunicationETS's workplace English test, big in Japan and Korea. Listening & Reading scores 10–990 and tops out at C1.785–944
Frequency
Common
Level
B2 · Upper IntermediateOxford
Updated

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