signature

1 of 2

noun

sig·​na·​ture ˈsig-nə-ˌchu̇r How to pronounce signature (audio)
-chər,
-ˌtyu̇r,
-ˌtu̇r
1
a
: the act of signing one's name to something
b
: the name of a person written with his or her own hand
2
: a feature in the appearance or qualities of a natural object formerly held to indicate its utility in medicine
3
a
: a letter or figure placed usually at the bottom of the first page on each sheet of printed pages (as of a book) as a direction to the binder in arranging and gathering the sheets
b
: one unit of a book comprising a group of printed sheets that are folded and stitched together
4
5
: the part of a medical prescription that contains the directions to the patient
6
: something (such as a tune, style, or logo) that serves to set apart or identify
also : a characteristic mark
7

signature

2 of 2

adjective

: closely and distinctively associated and identified with someone or something
a musician's signature style
a chef's signature dish
Pomegranate martinis made with pomegranate juice, vodka and a splash of grapefruit are becoming the hipster drink of choice, and the pomegranate margarita is the signature cocktail at Rosa Mexicano in New York City. Lisa McLaughlin

Examples of signature in a Sentence

Noun There is a place for your signature at the bottom of the form. If we can collect 200,000 signatures on our petition, then our candidate will be included on the ballot. We presented the document to the president for her signature. The bill passed and went to the governor for signature a week ago.
Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Noun
The launch of a new publication in Los Angeles comes as its signature daily, the Los Angeles Times, has struggled, with downsizing of staff and revenue losses. Ted Johnson, Deadline, 4 Aug. 2025 In the days leading up to his signature, Pritzker openly acknowledged fears that the city of Chicago wouldn’t be able to afford the changes. The Editorial Board, Chicago Tribune, 4 Aug. 2025
Adjective
Ever-changing vantage points color the way people view the city's signature cultural event, founded in 1987 and still redefining itself after the COVID-19 pandemic obliterated two years of in-person attendance during 2020-21. Michael Barnes, Austin American Statesman, 30 July 2025 Rivaling the Grand Canyon as one of Arizona's signature natural landmarks, Horseshoe Bend is a once-obscure site that's now a social media darling. Michael Salerno, AZCentral.com, 25 July 2025 See All Example Sentences for signature

Word History

Etymology

Noun

Middle French or Medieval Latin; Middle French, from Medieval Latin signatura, from Latin signatus, past participle of signare to sign, seal

First Known Use

Noun

1547, in the meaning defined at sense 3b

Adjective

1929, in the meaning defined above

Time Traveler
The first known use of signature was in 1547

Browse Nearby Words

Cite this Entry

“Signature.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/signature. Accessed 13 Aug. 2025.

Kids Definition

signature

noun
1
: the name of a person written by that person
2
: a notation used in music to indicate the key or the rhythm

Medical Definition

1
: a feature in the appearance or qualities of a natural object formerly held to indicate its utility in medicine either because of a fancied resemblance to a body part (as a heart-shaped leaf indicating utility in heart disease) or because of a presumed relation to some phase of a disease (as the prickly nature of thistle indicating utility in case of a stitch in the side)
2
: the part of a medical prescription which contains the directions to the patient

Legal Definition

signature

noun
sig·​na·​ture
1
a
: the act of signing one's name or of making a mark in lieu thereof
b
: the name of a person written with his or her own hand to signify that the writing which precedes accords with his or her wishes or intentions
c
: a mark (as initials, stamp, or printed name) made on a document and intended to serve as an indication of the party's execution or authentication of the document and intent to be bound by it see also private signature
2
: a distinguishing or identifying mark, feature, or quality
especially : a distinctive method of committing a crime that is characteristic of an offender

More from Merriam-Webster on signature

Last Updated: - Updated example sentences
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