plas·​ter | \ ˈpla-stər How to pronounce plaster (audio) \

Definition of plaster

 (Entry 1 of 2)

1 : a medicated or protective dressing that consists of a film (as of cloth or plastic) spread with a usually medicated substance adhesive plaster broadly : something applied to heal and soothe
2 : a pasty composition (as of lime, water, and sand) that hardens on drying and is used for coating walls, ceilings, and partitions


plastered; plastering\ ˈpla-​st(ə-​)riŋ How to pronounce plaster (audio) \

Definition of plaster (Entry 2 of 2)

transitive verb

1 : to overlay or cover with plaster : coat
2 : to apply a plaster to
3a : to cover over or conceal as if with a coat of plaster
b : to apply as a coating or incrustation
c : to smooth down with a sticky or shiny substance plastered his hair down
4 : to fasten or apply tightly to another surface
5 : to treat with plaster of paris
6 : to affix to or place on especially conspicuously or in quantity
7 : to inflict heavy damage or loss on especially by a concentrated or unremitting attack

intransitive verb

: to apply plaster

Other Words from plaster


plastery \ ˈpla-​st(ə-​)rē How to pronounce plaster (audio) \ adjective


plasterer \ ˈpla-​stər-​ər How to pronounce plaster (audio) \ noun

Synonyms for plaster

Synonyms: Noun

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Examples of plaster in a Sentence

Noun put a plaster on the burn and don't touch it Verb We plastered and sanded the walls before painting them. They plastered the walls with posters. Someone had plastered a political poster on the wall. His clothes were plastered to his body from the rain. He plastered his hair down with gel. See More
Recent Examples on the Web: Noun This was bolstered by the fact that the team found the gemstones in the gold hilt had been attached with lime plaster. Jennifer Ouellette, Ars Technica, 23 Feb. 2022 After extracting it from the rock, Suntok set the fossil in plaster to prevent damage. Devon Bidal, Smithsonian Magazine, 18 Feb. 2022 The fossil was then wrapped in wooden splints encased in plaster in order to protect it. Rachel Elbaum, NBC News, 10 Jan. 2022 There are works in bronze, marble, terracotta and plaster, and one remarkable mask of Rodin’s lifelong partner, Rose Beuret, in pate de verre (a paste of ground glass brushed into a mold and then fired). Sebastian Smee, Washington Post, 22 July 2022 The plaster was cracked, the paint was chipped and faded and the hardware was outdated. Nicole Kagan, Los Angeles Times, 20 July 2022 Objects for sale included sandwiches, pieces of pie, sausages and clothing made of wire and plaster and painted in an exuberant dripping style recalling Abstract Expressionism. New York Times, 18 July 2022 Objects for sale included sandwiches, pieces of pie, sausages, and clothing made of wire and plaster and painted in an exuberant dripping style recalling abstract expressionism. Martha Schwendener,, 18 July 2022 Even the pool has a new luster after just a plaster refresh. Nafeesah Allen, House Beautiful, 6 July 2022 Recent Examples on the Web: Verb Naming rights alone can generate millions, with corporations able to plaster their name on everything from the stadium itself to the entrance gates to viewing areas inside. Nancy Armour, USA TODAY, 22 June 2022 Its solution would plaster the Interstate 81 corridor with heavy snow. Washington Post, 11 Jan. 2022 In practice, that means token holders get access to exclusive content, such as voting on which song to play in the stadium while the players warm up, or which motivational quote to plaster on the changing room wall. Alex Webb,, 7 Sep. 2021 This is Scheana once again making bad choices and then trying to plaster them over with a man’s lies. Brian Moylan, Vulture, 26 Oct. 2021 Schiffilea’s name was written in marker on the Sigma Nu fraternity house, where students gathered Friday to plaster the outside wall with protest signs and angry notes. Los Angeles Times, 22 Oct. 2021 Throughout the month of October, companies eager to drive sales plaster their products with pink ribbons and inspirational quotes. Hil Moss Reprints, STAT, 6 Oct. 2021 In December, parent activists in New York City began going out after dark to plaster up hundreds of posters that call out child protective services. Chris Gottlieb, Time, 17 Mar. 2021 In fact, part of their media strategy going into Tuesday's election has been to plaster Trump's own words on billboards across Georgia, including one where Trump slammed Kemp and Arizona Gov. Doug Ducey. Barnini Chakraborty, Washington Examiner, 4 Jan. 2021 See More

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

First Known Use of plaster


before the 12th century, in the meaning defined at sense 1


14th century, in the meaning defined at transitive sense 1

History and Etymology for plaster


Middle English, from Old English, from Latin emplastrum, from Greek emplastron, from emplassein to plaster on, from en- + plassein to mold, plaster; perhaps akin to Latin planus level, flat — more at floor

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Time Traveler for plaster

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The first known use of plaster was before the 12th century

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Dictionary Entries Near plaster



plaster arch

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Last Updated

6 Aug 2022

Cite this Entry

“Plaster.” Dictionary, Merriam-Webster, Accessed 9 Aug. 2022.

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More Definitions for plaster


plas·​ter | \ ˈpla-stər How to pronounce plaster (audio) \

Kids Definition of plaster

 (Entry 1 of 2)

: a paste (as of lime, sand, and water) that hardens when it dries and is used for coating walls and ceilings


plastered; plastering

Kids Definition of plaster (Entry 2 of 2)

1 : to cover or smear with or as if with a paste used for coating
2 : to paste or fasten on especially so as to cover He likes to plaster a wall with posters.


plas·​ter | \ ˈplas-tər How to pronounce plaster (audio) \

Medical Definition of plaster

: a medicated or protective dressing that consists of a film (as of cloth or plastic) spread with a usually medicated substance adhesive plaster

More from Merriam-Webster on plaster

Nglish: Translation of plaster for Spanish Speakers

Britannica English: Translation of plaster for Arabic Speakers Encyclopedia article about plaster


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