mark·​er | \ ˈmär-kər How to pronounce marker (audio) \

Definition of marker

1 : one that marks
2 : something used for marking: such as
a : a type of felt tip pen that makes wide lines drew a tree with green and brown markers used a permanent marker to label the boxes
b : any of various sewing devices for making or indicating guidelines a pin marker for hemlines
3 : score sense 7 specifically : run
5 : something that serves to identify, predict, or characterize: such as

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Synonyms for marker


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Examples of marker in a Sentence

A person's accent can be a marker of social class. the markers on the rock and mineral specimens were old and faded
Recent Examples on the Web Washington did not say people should amass arms to possibly fight their own government, as what’s inscribed on the plaque, which is actually a faux Texas historical marker. Tonyaa Weathersbee, USA TODAY, "Fact check: George Washington didn't say citizens should arm themselves against government," 21 June 2020 The wreck occurred near mile marker 83 just south of Thomasville in the Fulton Community, about 95 miles north of Mobile, troopers said. Paul Gattis |, al, "Teacher, mom killed in south Alabama wreck caused by driver fleeing police," 20 June 2020 Emancipation is a marker of progress for white Americans, not black ones. Jelani Cobb, The New Yorker, "Juneteenth and the Meaning of Freedom," 19 June 2020 As driver-assist systems have progressed in recent years, the ability to go hands-free—albeit in select environments—has become a telling marker of how advanced any system is. Colin Beresford, Car and Driver, "Ford Says Mustang Mach-E Will Be First to Get Its Hands-Free Driving Tech," 18 June 2020 The marker memorializing his horrific murder was put up in 2018. Breanna Edwards, Essence, "Kansas City Police Investigating After Lynching Victim Memorial Is Vandalized," 16 June 2020 The workout also included a drawing of a person, drawn with black marker, in a kneeling position. Milwaukee Journal Sentinel, "Live protest updates: Common Council exploring cut to police budget in Milwaukee," 15 June 2020 The monument was originally created and displayed in Greenlawn Cemetery as a marker for the 1,616 Confederate soldiers who died in a Union prison camp, but was moved to Garfield Park in 1928. Brooke Kemp, The Indianapolis Star, "As the Garfield Park Confederate monument sits in storage, conversation continues," 12 June 2020 On the other side, Lisa Nguyen, a respiratory therapist, traced his outline on the glass in black marker. Lauren Caruba, San Antonio Express-News, "Night Shift," 12 June 2020

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

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First Known Use of marker

15th century, in the meaning defined at sense 1

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Time Traveler for marker

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The first known use of marker was in the 15th century

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Last Updated

25 Jun 2020

Cite this Entry

“Marker.” Dictionary, Merriam-Webster, Accessed 5 Jul. 2020.

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How to pronounce marker (audio)

English Language Learners Definition of marker

: something (such as a sign or an object) that shows the location of something
: something that shows the presence or existence of something
: a type of pen that makes wide lines


mark·​er | \ ˈmär-kər How to pronounce marker (audio) \

Medical Definition of marker

: something that serves to identify, predict, or characterize a surface marker on a cell that acts as an antigen : as
a : biomarker The recent discovery of a serological marker for the hepatitis C virus has greatly improved diagnostic accuracy for this form of hepatitis. — Gary P. Wormser, letter in The Journal of the American Medical Association, 12 June 1991
b : genetic marker The idea in genetic linkage analysis is to see if any particular marker, which serves as a signpost for a specific region of a chromosome, is consistently inherited along with the disease …— Leslie Roberts, Science, 29 Jan. 1993

called also marker gene

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More from Merriam-Webster on marker

Thesaurus: All synonyms and antonyms for marker

Rhyming Dictionary: Words that rhyme with marker

Spanish Central: Translation of marker

Nglish: Translation of marker for Spanish Speakers Encyclopedia article about marker

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